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postfix-3.9-20231210

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Wietse Venema 2023-12-10 00:00:00 -05:00 committed by Viktor Dukhovni
parent 17dbfb9b8b
commit 984278aadf
29 changed files with 774 additions and 601 deletions
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54
postfix/HISTORY
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@ -27529,8 +27529,8 @@ Apologies for any names omitted.
Bugfix (defect introduced: Postfix 2.3, date 20051222): the Bugfix (defect introduced: Postfix 2.3, date 20051222): the
Dovecot auth client did not reset the 'reason' from a Dovecot auth client did not reset the 'reason' from a
previous Dovecot auth service response, before parsing the previous Dovecot auth service response, before parsing the
next Dovecot auth server response. Reported by Stephan next Dovecot auth server response in the same SMTP session.
Bosch, File: xsasl/xsasl_dovecot_server.c. Reported by Stephan Bosch, File: xsasl/xsasl_dovecot_server.c.
20231105 20231105
@ -27553,3 +27553,53 @@ Apologies for any names omitted.
Robustness: don't loop on an 'unfinished' queue file that Robustness: don't loop on an 'unfinished' queue file that
still has its all-zero SIZE record. File: postcat/postcat.c. still has its all-zero SIZE record. File: postcat/postcat.c.
20231126
Cleanup: implementation and documentation for the selection
of SMTP versus LMTP client protocol and parameters, based
on process name. Files: smtp/smtp.c, global/mail_proto.h,
proto/postconf.proto.
Cleanup: documented (in proxymap source code) the complexities
of determining the optimal proxywrite service process limit,
and make the 'invalid' proxymap service name error message
more similar to the error message for an invalid SMTP/LMTP
client process name. File: proxymap/proxymap.c.
20231127
Documentation: in the stock main.cf file, mailbox_command
uses $default_privs, not $default_user. Vijay Sarvepalli,
Cert/CC. File: conf/main.cf.
20231202
Bugfix: posttls-finger certificate match expectations for
opportunistic DANE incorrectly defaulted to ("nexthop",
"hostname") instead of ("nexthop", "dot-nexthop"), when no
TLSA records were found. Viktor Dukhovni. File: posttls-finger.c.
20231204
Documentation: updated comments on address validation in
smtpd_check.c, making them consistent with the implementation.
File: smtpd/smtpd_check.c.
20231208
Bugfix (defect introduced: Postfix 3.1, date: 20151128):
"postqueue -j" produced broken JSON when escaping a control
character as \uXXXX. Found during code maintenance. File:
postqueue/showq_json.c.
20231209
Feature: the local(8) delivery agent exports an ENVID
environment variable with the RFC 3461 envelope ID if
available. Files: local/command.c, local/local.c,
proto/postconf.proto.
Feature: the pipe(8) delivery agent supports an ${envid}
command-line attribute that expands to the RFC 3461 envelope
ID if available. File: pipe/pipe.c.

8
postfix/WISHLIST
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@ -8,10 +8,10 @@ Wish list:
postfix-install should mention makedefs.out. postfix-install should mention makedefs.out.
Propagate information about parsed daemon command-line In documentation and configuration file examples, replace
options to service callback functions. With this, a proxywrite IPv4 address prefixes from Cloud9 with 192.168.* from RFC
server can enforce a process limit of 1 without duplicating 1918, and replace IPv6 address prefixes with unique local
libmaster's command-line parsing code. IPv6 address prefixes fd00:* from RFC 4193.
Add a pre-release check for '.' instead of ','. Generalize Add a pre-release check for '.' instead of ','. Generalize
from grep '[a-zA-Z0-9]\. *[a-z]' proto/*|egrep -v from grep '[a-zA-Z0-9]\. *[a-z]' proto/*|egrep -v

2
postfix/conf/main.cf
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@ -452,7 +452,7 @@ unknown_local_recipient_reject_code = 550
# The mailbox_command parameter specifies the optional external # The mailbox_command parameter specifies the optional external
# command to use instead of mailbox delivery. The command is run as # command to use instead of mailbox delivery. The command is run as
# the recipient with proper HOME, SHELL and LOGNAME environment settings. # the recipient with proper HOME, SHELL and LOGNAME environment settings.
# Exception: delivery for root is done as $default_user. # Exception: delivery for root is done as $default_privs.
# #
# Other environment variables of interest: USER (recipient username), # Other environment variables of interest: USER (recipient username),
# EXTENSION (address extension), DOMAIN (domain part of address), # EXTENSION (address extension), DOMAIN (domain part of address),

363
postfix/html/lmtp.8.html
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@ -5,20 +5,24 @@
<link rel='stylesheet' type='text/css' href='postfix-doc.css'> <link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<title> Postfix manual - smtp(8) </title> <title> Postfix manual - smtp(8) </title>
</head> <body> <pre> </head> <body> <pre>
SMTP(8) SMTP(8) SMTP,(LMTP) SMTP,(LMTP)
<b>NAME</b> <b>NAME</b>
smtp - Postfix SMTP+LMTP client smtp, lmtp - Postfix SMTP+LMTP client
<b>SYNOPSIS</b> <b>SYNOPSIS</b>
<b>smtp</b> [generic Postfix daemon options] [flags=DORX] <b>smtp</b> [generic Postfix daemon options] [flags=DORX]
<b>lmtp</b> [generic Postfix daemon options] [flags=DORX]
<b>DESCRIPTION</b> <b>DESCRIPTION</b>
The Postfix SMTP+LMTP client implements the SMTP and LMTP mail delivery The Postfix SMTP+LMTP client implements the SMTP and LMTP mail delivery
protocols. It processes message delivery requests from the queue man- protocols. It processes message delivery requests from the queue man-
ager. Each request specifies a queue file, a sender address, a domain ager. Each request specifies a queue file, a sender address, a domain
or host to deliver to, and recipient information. This program expects or host to deliver to, and recipient information. This program expects
to be run from the <a href="master.8.html"><b>master</b>(8)</a> process manager. to be run from the <a href="master.8.html"><b>master</b>(8)</a> process manager. The process name, <b>smtp</b> or
<b>lmtp</b>, controls the protocol, and the names of the configuration parame-
ters that will be used.
The SMTP+LMTP client updates the queue file and marks recipients as The SMTP+LMTP client updates the queue file and marks recipients as
finished, or it informs the queue manager that delivery should be tried finished, or it informs the queue manager that delivery should be tried
@ -180,20 +184,19 @@ SMTP(8) SMTP(8)
for all destinations that map onto the same IP address and TCP port. for all destinations that map onto the same IP address and TCP port.
<b>CONFIGURATION PARAMETERS</b> <b>CONFIGURATION PARAMETERS</b>
Before Postfix version 2.3, the LMTP client is a separate program that Postfix versions 2.3 and later implement the SMTP and LMTP client with
implements only a subset of the functionality available with SMTP: the same program, and choose the protocol and configuration parameters
there is no support for TLS, and connections are cached in-process, based on the process name, <b>smtp</b> or <b>lmtp</b>.
making it ineffective when the client is used for multiple domains.
Most smtp_<i>xxx</i> configuration parameters have an lmtp_<i>xxx</i> "mirror" param- Most smtp_<i>xxx</i> configuration parameters have an lmtp_<i>xxx</i> "mirror" param-
eter for the equivalent LMTP feature. This document describes only eter for the equivalent LMTP feature. This document describes only
those LMTP-related parameters that aren't simply "mirror" parameters. those LMTP-related parameters that aren't simply "mirror" parameters.
Changes to <a href="postconf.5.html"><b>main.cf</b></a> are picked up automatically, as <a href="smtp.8.html"><b>smtp</b>(8)</a> processes Changes to <a href="postconf.5.html"><b>main.cf</b></a> are picked up automatically, as <a href="smtp.8.html"><b>smtp</b>(8)</a> processes
run for only a limited amount of time. Use the command "<b>postfix reload</b>" run for only a limited amount of time. Use the command "<b>postfix reload</b>"
to speed up a change. to speed up a change.
The text below provides only a parameter summary. See <a href="postconf.5.html"><b>postconf</b>(5)</a> for The text below provides only a parameter summary. See <a href="postconf.5.html"><b>postconf</b>(5)</a> for
more details including examples. more details including examples.
<b>COMPATIBILITY CONTROLS</b> <b>COMPATIBILITY CONTROLS</b>
@ -214,8 +217,8 @@ SMTP(8) SMTP(8)
will send via SMTP. will send via SMTP.
<b><a href="postconf.5.html#smtp_pix_workaround_delay_time">smtp_pix_workaround_delay_time</a> (10s)</b> <b><a href="postconf.5.html#smtp_pix_workaround_delay_time">smtp_pix_workaround_delay_time</a> (10s)</b>
How long the Postfix SMTP client pauses before sending How long the Postfix SMTP client pauses before sending
".&lt;CR&gt;&lt;LF&gt;" in order to work around the PIX firewall ".&lt;CR&gt;&lt;LF&gt;" in order to work around the PIX firewall
"&lt;CR&gt;&lt;LF&gt;.&lt;CR&gt;&lt;LF&gt;" bug. "&lt;CR&gt;&lt;LF&gt;.&lt;CR&gt;&lt;LF&gt;" bug.
<b><a href="postconf.5.html#smtp_pix_workaround_threshold_time">smtp_pix_workaround_threshold_time</a> (500s)</b> <b><a href="postconf.5.html#smtp_pix_workaround_threshold_time">smtp_pix_workaround_threshold_time</a> (500s)</b>
@ -224,19 +227,19 @@ SMTP(8) SMTP(8)
delivery through firewalls with "smtp fixup" mode turned on. delivery through firewalls with "smtp fixup" mode turned on.
<b><a href="postconf.5.html#smtp_pix_workarounds">smtp_pix_workarounds</a> (disable_esmtp, delay_dotcrlf)</b> <b><a href="postconf.5.html#smtp_pix_workarounds">smtp_pix_workarounds</a> (disable_esmtp, delay_dotcrlf)</b>
A list that specifies zero or more workarounds for CISCO PIX A list that specifies zero or more workarounds for CISCO PIX
firewall bugs. firewall bugs.
<b><a href="postconf.5.html#smtp_pix_workaround_maps">smtp_pix_workaround_maps</a> (empty)</b> <b><a href="postconf.5.html#smtp_pix_workaround_maps">smtp_pix_workaround_maps</a> (empty)</b>
Lookup tables, indexed by the remote SMTP server address, with Lookup tables, indexed by the remote SMTP server address, with
per-destination workarounds for CISCO PIX firewall bugs. per-destination workarounds for CISCO PIX firewall bugs.
<b><a href="postconf.5.html#smtp_quote_rfc821_envelope">smtp_quote_rfc821_envelope</a> (yes)</b> <b><a href="postconf.5.html#smtp_quote_rfc821_envelope">smtp_quote_rfc821_envelope</a> (yes)</b>
Quote addresses in Postfix SMTP client MAIL FROM and RCPT TO Quote addresses in Postfix SMTP client MAIL FROM and RCPT TO
commands as required by <a href="https://tools.ietf.org/html/rfc5321">RFC 5321</a>. commands as required by <a href="https://tools.ietf.org/html/rfc5321">RFC 5321</a>.
<b><a href="postconf.5.html#smtp_reply_filter">smtp_reply_filter</a> (empty)</b> <b><a href="postconf.5.html#smtp_reply_filter">smtp_reply_filter</a> (empty)</b>
A mechanism to transform replies from remote SMTP servers one A mechanism to transform replies from remote SMTP servers one
line at a time. line at a time.
<b><a href="postconf.5.html#smtp_skip_5xx_greeting">smtp_skip_5xx_greeting</a> (yes)</b> <b><a href="postconf.5.html#smtp_skip_5xx_greeting">smtp_skip_5xx_greeting</a> (yes)</b>
@ -248,68 +251,68 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.0 and earlier: Available in Postfix version 2.0 and earlier:
<b><a href="postconf.5.html#smtp_skip_4xx_greeting">smtp_skip_4xx_greeting</a> (yes)</b> <b><a href="postconf.5.html#smtp_skip_4xx_greeting">smtp_skip_4xx_greeting</a> (yes)</b>
Skip SMTP servers that greet with a 4XX status code (go away, Skip SMTP servers that greet with a 4XX status code (go away,
try again later). try again later).
Available in Postfix version 2.2 and later: Available in Postfix version 2.2 and later:
<b><a href="postconf.5.html#smtp_discard_ehlo_keyword_address_maps">smtp_discard_ehlo_keyword_address_maps</a> (empty)</b> <b><a href="postconf.5.html#smtp_discard_ehlo_keyword_address_maps">smtp_discard_ehlo_keyword_address_maps</a> (empty)</b>
Lookup tables, indexed by the remote SMTP server address, with Lookup tables, indexed by the remote SMTP server address, with
case insensitive lists of EHLO keywords (pipelining, starttls, case insensitive lists of EHLO keywords (pipelining, starttls,
auth, etc.) that the Postfix SMTP client will ignore in the EHLO auth, etc.) that the Postfix SMTP client will ignore in the EHLO
response from a remote SMTP server. response from a remote SMTP server.
<b><a href="postconf.5.html#smtp_discard_ehlo_keywords">smtp_discard_ehlo_keywords</a> (empty)</b> <b><a href="postconf.5.html#smtp_discard_ehlo_keywords">smtp_discard_ehlo_keywords</a> (empty)</b>
A case insensitive list of EHLO keywords (pipelining, starttls, A case insensitive list of EHLO keywords (pipelining, starttls,
auth, etc.) that the Postfix SMTP client will ignore in the EHLO auth, etc.) that the Postfix SMTP client will ignore in the EHLO
response from a remote SMTP server. response from a remote SMTP server.
<b><a href="postconf.5.html#smtp_generic_maps">smtp_generic_maps</a> (empty)</b> <b><a href="postconf.5.html#smtp_generic_maps">smtp_generic_maps</a> (empty)</b>
Optional lookup tables that perform address rewriting in the Optional lookup tables that perform address rewriting in the
Postfix SMTP client, typically to transform a locally valid Postfix SMTP client, typically to transform a locally valid
address into a globally valid address when sending mail across address into a globally valid address when sending mail across
the Internet. the Internet.
Available in Postfix version 2.2.9 and later: Available in Postfix version 2.2.9 and later:
<b><a href="postconf.5.html#smtp_cname_overrides_servername">smtp_cname_overrides_servername</a> (version dependent)</b> <b><a href="postconf.5.html#smtp_cname_overrides_servername">smtp_cname_overrides_servername</a> (version dependent)</b>
When the remote SMTP servername is a DNS CNAME, replace the When the remote SMTP servername is a DNS CNAME, replace the
servername with the result from CNAME expansion for the purpose servername with the result from CNAME expansion for the purpose
of logging, SASL password lookup, TLS policy decisions, or TLS of logging, SASL password lookup, TLS policy decisions, or TLS
certificate verification. certificate verification.
Available in Postfix version 2.3 and later: Available in Postfix version 2.3 and later:
<b><a href="postconf.5.html#lmtp_discard_lhlo_keyword_address_maps">lmtp_discard_lhlo_keyword_address_maps</a> (empty)</b> <b><a href="postconf.5.html#lmtp_discard_lhlo_keyword_address_maps">lmtp_discard_lhlo_keyword_address_maps</a> (empty)</b>
Lookup tables, indexed by the remote LMTP server address, with Lookup tables, indexed by the remote LMTP server address, with
case insensitive lists of LHLO keywords (pipelining, starttls, case insensitive lists of LHLO keywords (pipelining, starttls,
auth, etc.) that the Postfix LMTP client will ignore in the LHLO auth, etc.) that the Postfix LMTP client will ignore in the LHLO
response from a remote LMTP server. response from a remote LMTP server.
<b><a href="postconf.5.html#lmtp_discard_lhlo_keywords">lmtp_discard_lhlo_keywords</a> (empty)</b> <b><a href="postconf.5.html#lmtp_discard_lhlo_keywords">lmtp_discard_lhlo_keywords</a> (empty)</b>
A case insensitive list of LHLO keywords (pipelining, starttls, A case insensitive list of LHLO keywords (pipelining, starttls,
auth, etc.) that the Postfix LMTP client will ignore in the LHLO auth, etc.) that the Postfix LMTP client will ignore in the LHLO
response from a remote LMTP server. response from a remote LMTP server.
Available in Postfix version 2.4.4 and later: Available in Postfix version 2.4.4 and later:
<b><a href="postconf.5.html#send_cyrus_sasl_authzid">send_cyrus_sasl_authzid</a> (no)</b> <b><a href="postconf.5.html#send_cyrus_sasl_authzid">send_cyrus_sasl_authzid</a> (no)</b>
When authenticating to a remote SMTP or LMTP server with the When authenticating to a remote SMTP or LMTP server with the
default setting "no", send no SASL authoriZation ID (authzid); default setting "no", send no SASL authoriZation ID (authzid);
send only the SASL authentiCation ID (authcid) plus the auth- send only the SASL authentiCation ID (authcid) plus the auth-
cid's password. cid's password.
Available in Postfix version 2.5 and later: Available in Postfix version 2.5 and later:
<b><a href="postconf.5.html#smtp_header_checks">smtp_header_checks</a> (empty)</b> <b><a href="postconf.5.html#smtp_header_checks">smtp_header_checks</a> (empty)</b>
Restricted <a href="header_checks.5.html"><b>header_checks</b>(5)</a> tables for the Postfix SMTP client. Restricted <a href="header_checks.5.html"><b>header_checks</b>(5)</a> tables for the Postfix SMTP client.
<b><a href="postconf.5.html#smtp_mime_header_checks">smtp_mime_header_checks</a> (empty)</b> <b><a href="postconf.5.html#smtp_mime_header_checks">smtp_mime_header_checks</a> (empty)</b>
Restricted <b><a href="postconf.5.html#mime_header_checks">mime_header_checks</a></b>(5) tables for the Postfix SMTP Restricted <b><a href="postconf.5.html#mime_header_checks">mime_header_checks</a></b>(5) tables for the Postfix SMTP
client. client.
<b><a href="postconf.5.html#smtp_nested_header_checks">smtp_nested_header_checks</a> (empty)</b> <b><a href="postconf.5.html#smtp_nested_header_checks">smtp_nested_header_checks</a> (empty)</b>
Restricted <b><a href="postconf.5.html#nested_header_checks">nested_header_checks</a></b>(5) tables for the Postfix SMTP Restricted <b><a href="postconf.5.html#nested_header_checks">nested_header_checks</a></b>(5) tables for the Postfix SMTP
client. client.
<b><a href="postconf.5.html#smtp_body_checks">smtp_body_checks</a> (empty)</b> <b><a href="postconf.5.html#smtp_body_checks">smtp_body_checks</a> (empty)</b>
@ -318,7 +321,7 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.6 and later: Available in Postfix version 2.6 and later:
<b><a href="postconf.5.html#tcp_windowsize">tcp_windowsize</a> (0)</b> <b><a href="postconf.5.html#tcp_windowsize">tcp_windowsize</a> (0)</b>
An optional workaround for routers that break TCP window scal- An optional workaround for routers that break TCP window scal-
ing. ing.
Available in Postfix version 2.8 and later: Available in Postfix version 2.8 and later:
@ -329,16 +332,16 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.9 - 3.6: Available in Postfix version 2.9 - 3.6:
<b><a href="postconf.5.html#smtp_per_record_deadline">smtp_per_record_deadline</a> (no)</b> <b><a href="postconf.5.html#smtp_per_record_deadline">smtp_per_record_deadline</a> (no)</b>
Change the behavior of the smtp_*_timeout time limits, from a Change the behavior of the smtp_*_timeout time limits, from a
time limit per read or write system call, to a time limit to time limit per read or write system call, to a time limit to
send or receive a complete record (an SMTP command line, SMTP send or receive a complete record (an SMTP command line, SMTP
response line, SMTP message content line, or TLS protocol mes- response line, SMTP message content line, or TLS protocol mes-
sage). sage).
Available in Postfix version 2.9 and later: Available in Postfix version 2.9 and later:
<b><a href="postconf.5.html#smtp_send_dummy_mail_auth">smtp_send_dummy_mail_auth</a> (no)</b> <b><a href="postconf.5.html#smtp_send_dummy_mail_auth">smtp_send_dummy_mail_auth</a> (no)</b>
Whether or not to append the "AUTH=&lt;&gt;" option to the MAIL FROM Whether or not to append the "AUTH=&lt;&gt;" option to the MAIL FROM
command in SASL-authenticated SMTP sessions. command in SASL-authenticated SMTP sessions.
Available in Postfix version 2.11 and later: Available in Postfix version 2.11 and later:
@ -349,7 +352,7 @@ SMTP(8) SMTP(8)
Available in Postfix version 3.0 and later: Available in Postfix version 3.0 and later:
<b><a href="postconf.5.html#smtp_delivery_status_filter">smtp_delivery_status_filter</a> ($<a href="postconf.5.html#default_delivery_status_filter">default_delivery_status_filter</a>)</b> <b><a href="postconf.5.html#smtp_delivery_status_filter">smtp_delivery_status_filter</a> ($<a href="postconf.5.html#default_delivery_status_filter">default_delivery_status_filter</a>)</b>
Optional filter for the <a href="smtp.8.html"><b>smtp</b>(8)</a> delivery agent to change the Optional filter for the <a href="smtp.8.html"><b>smtp</b>(8)</a> delivery agent to change the
delivery status code or explanatory text of successful or unsuc- delivery status code or explanatory text of successful or unsuc-
cessful deliveries. cessful deliveries.
@ -359,38 +362,38 @@ SMTP(8) SMTP(8)
Available in Postfix version 3.3 and later: Available in Postfix version 3.3 and later:
<b><a href="postconf.5.html#smtp_balance_inet_protocols">smtp_balance_inet_protocols</a> (yes)</b> <b><a href="postconf.5.html#smtp_balance_inet_protocols">smtp_balance_inet_protocols</a> (yes)</b>
When a remote destination resolves to a combination of IPv4 and When a remote destination resolves to a combination of IPv4 and
IPv6 addresses, ensure that the Postfix SMTP client can try both IPv6 addresses, ensure that the Postfix SMTP client can try both
address types before it runs into the <a href="postconf.5.html#smtp_mx_address_limit">smtp_mx_address_limit</a>. address types before it runs into the <a href="postconf.5.html#smtp_mx_address_limit">smtp_mx_address_limit</a>.
Available in Postfix 3.5 and later: Available in Postfix 3.5 and later:
<b><a href="postconf.5.html#info_log_address_format">info_log_address_format</a> (external)</b> <b><a href="postconf.5.html#info_log_address_format">info_log_address_format</a> (external)</b>
The email address form that will be used in non-debug logging The email address form that will be used in non-debug logging
(info, warning, etc.). (info, warning, etc.).
Available in Postfix 3.6 and later: Available in Postfix 3.6 and later:
<b><a href="postconf.5.html#dnssec_probe">dnssec_probe</a> (ns:.)</b> <b><a href="postconf.5.html#dnssec_probe">dnssec_probe</a> (ns:.)</b>
The DNS query type (default: "ns") and DNS query name (default: The DNS query type (default: "ns") and DNS query name (default:
".") that Postfix may use to determine whether DNSSEC validation ".") that Postfix may use to determine whether DNSSEC validation
is available. is available.
<b><a href="postconf.5.html#known_tcp_ports">known_tcp_ports</a> (lmtp=24, smtp=25, smtps=submissions=465, submis-</b> <b><a href="postconf.5.html#known_tcp_ports">known_tcp_ports</a> (lmtp=24, smtp=25, smtps=submissions=465, submis-</b>
<b>sion=587)</b> <b>sion=587)</b>
Optional setting that avoids lookups in the <b>services</b>(5) data- Optional setting that avoids lookups in the <b>services</b>(5) data-
base. base.
Available in Postfix version 3.7 and later: Available in Postfix version 3.7 and later:
<b><a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a> (no)</b> <b><a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a> (no)</b>
Change the behavior of the smtp_*_timeout time limits, from a Change the behavior of the smtp_*_timeout time limits, from a
time limit per plaintext or TLS read or write call, to a com- time limit per plaintext or TLS read or write call, to a com-
bined time limit for sending a complete SMTP request and for bined time limit for sending a complete SMTP request and for
receiving a complete SMTP response. receiving a complete SMTP response.
<b><a href="postconf.5.html#smtp_min_data_rate">smtp_min_data_rate</a> (500)</b> <b><a href="postconf.5.html#smtp_min_data_rate">smtp_min_data_rate</a> (500)</b>
The minimum plaintext data transfer rate in bytes/second for The minimum plaintext data transfer rate in bytes/second for
DATA requests, when deadlines are enabled with DATA requests, when deadlines are enabled with
<a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a>. <a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a>.
@ -400,16 +403,16 @@ SMTP(8) SMTP(8)
Available in Postfix version 3.8 and later: Available in Postfix version 3.8 and later:
<b><a href="postconf.5.html#use_srv_lookup">use_srv_lookup</a> (empty)</b> <b><a href="postconf.5.html#use_srv_lookup">use_srv_lookup</a> (empty)</b>
Enables discovery for the specified service(s) using DNS SRV Enables discovery for the specified service(s) using DNS SRV
records. records.
<b><a href="postconf.5.html#ignore_srv_lookup_error">ignore_srv_lookup_error</a> (no)</b> <b><a href="postconf.5.html#ignore_srv_lookup_error">ignore_srv_lookup_error</a> (no)</b>
When SRV record lookup fails, fall back to MX or IP address When SRV record lookup fails, fall back to MX or IP address
lookup as if SRV record lookup was not enabled. lookup as if SRV record lookup was not enabled.
<b><a href="postconf.5.html#allow_srv_lookup_fallback">allow_srv_lookup_fallback</a> (no)</b> <b><a href="postconf.5.html#allow_srv_lookup_fallback">allow_srv_lookup_fallback</a> (no)</b>
When SRV record lookup fails or no SRV record exists, fall back When SRV record lookup fails or no SRV record exists, fall back
to MX or IP address lookup as if SRV record lookup was not to MX or IP address lookup as if SRV record lookup was not
enabled. enabled.
<b>MIME PROCESSING CONTROLS</b> <b>MIME PROCESSING CONTROLS</b>
@ -428,7 +431,7 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.1 and later: Available in Postfix version 2.1 and later:
<b><a href="postconf.5.html#smtp_send_xforward_command">smtp_send_xforward_command</a> (no)</b> <b><a href="postconf.5.html#smtp_send_xforward_command">smtp_send_xforward_command</a> (no)</b>
Send the non-standard XFORWARD command when the Postfix SMTP Send the non-standard XFORWARD command when the Postfix SMTP
server EHLO response announces XFORWARD support. server EHLO response announces XFORWARD support.
<b>SASL AUTHENTICATION CONTROLS</b> <b>SASL AUTHENTICATION CONTROLS</b>
@ -436,88 +439,88 @@ SMTP(8) SMTP(8)
Enable SASL authentication in the Postfix SMTP client. Enable SASL authentication in the Postfix SMTP client.
<b><a href="postconf.5.html#smtp_sasl_password_maps">smtp_sasl_password_maps</a> (empty)</b> <b><a href="postconf.5.html#smtp_sasl_password_maps">smtp_sasl_password_maps</a> (empty)</b>
Optional Postfix SMTP client lookup tables with one user- Optional Postfix SMTP client lookup tables with one user-
name:password entry per sender, remote hostname or next-hop name:password entry per sender, remote hostname or next-hop
domain. domain.
<b><a href="postconf.5.html#smtp_sasl_security_options">smtp_sasl_security_options</a> (noplaintext, noanonymous)</b> <b><a href="postconf.5.html#smtp_sasl_security_options">smtp_sasl_security_options</a> (noplaintext, noanonymous)</b>
Postfix SMTP client SASL security options; as of Postfix 2.3 the Postfix SMTP client SASL security options; as of Postfix 2.3 the
list of available features depends on the SASL client implemen- list of available features depends on the SASL client implemen-
tation that is selected with <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a></b>. tation that is selected with <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a></b>.
Available in Postfix version 2.2 and later: Available in Postfix version 2.2 and later:
<b><a href="postconf.5.html#smtp_sasl_mechanism_filter">smtp_sasl_mechanism_filter</a> (empty)</b> <b><a href="postconf.5.html#smtp_sasl_mechanism_filter">smtp_sasl_mechanism_filter</a> (empty)</b>
If non-empty, a Postfix SMTP client filter for the remote SMTP If non-empty, a Postfix SMTP client filter for the remote SMTP
server's list of offered SASL mechanisms. server's list of offered SASL mechanisms.
Available in Postfix version 2.3 and later: Available in Postfix version 2.3 and later:
<b><a href="postconf.5.html#smtp_sender_dependent_authentication">smtp_sender_dependent_authentication</a> (no)</b> <b><a href="postconf.5.html#smtp_sender_dependent_authentication">smtp_sender_dependent_authentication</a> (no)</b>
Enable sender-dependent authentication in the Postfix SMTP Enable sender-dependent authentication in the Postfix SMTP
client; this is available only with SASL authentication, and client; this is available only with SASL authentication, and
disables SMTP connection caching to ensure that mail from dif- disables SMTP connection caching to ensure that mail from dif-
ferent senders will use the appropriate credentials. ferent senders will use the appropriate credentials.
<b><a href="postconf.5.html#smtp_sasl_path">smtp_sasl_path</a> (empty)</b> <b><a href="postconf.5.html#smtp_sasl_path">smtp_sasl_path</a> (empty)</b>
Implementation-specific information that the Postfix SMTP client Implementation-specific information that the Postfix SMTP client
passes through to the SASL plug-in implementation that is passes through to the SASL plug-in implementation that is
selected with <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a></b>. selected with <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a></b>.
<b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a> (cyrus)</b> <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a> (cyrus)</b>
The SASL plug-in type that the Postfix SMTP client should use The SASL plug-in type that the Postfix SMTP client should use
for authentication. for authentication.
Available in Postfix version 2.5 and later: Available in Postfix version 2.5 and later:
<b><a href="postconf.5.html#smtp_sasl_auth_cache_name">smtp_sasl_auth_cache_name</a> (empty)</b> <b><a href="postconf.5.html#smtp_sasl_auth_cache_name">smtp_sasl_auth_cache_name</a> (empty)</b>
An optional table to prevent repeated SASL authentication fail- An optional table to prevent repeated SASL authentication fail-
ures with the same remote SMTP server hostname, username and ures with the same remote SMTP server hostname, username and
password. password.
<b><a href="postconf.5.html#smtp_sasl_auth_cache_time">smtp_sasl_auth_cache_time</a> (90d)</b> <b><a href="postconf.5.html#smtp_sasl_auth_cache_time">smtp_sasl_auth_cache_time</a> (90d)</b>
The maximal age of an <a href="postconf.5.html#smtp_sasl_auth_cache_name">smtp_sasl_auth_cache_name</a> entry before it The maximal age of an <a href="postconf.5.html#smtp_sasl_auth_cache_name">smtp_sasl_auth_cache_name</a> entry before it
is removed. is removed.
<b><a href="postconf.5.html#smtp_sasl_auth_soft_bounce">smtp_sasl_auth_soft_bounce</a> (yes)</b> <b><a href="postconf.5.html#smtp_sasl_auth_soft_bounce">smtp_sasl_auth_soft_bounce</a> (yes)</b>
When a remote SMTP server rejects a SASL authentication request When a remote SMTP server rejects a SASL authentication request
with a 535 reply code, defer mail delivery instead of returning with a 535 reply code, defer mail delivery instead of returning
mail as undeliverable. mail as undeliverable.
Available in Postfix version 2.9 and later: Available in Postfix version 2.9 and later:
<b><a href="postconf.5.html#smtp_send_dummy_mail_auth">smtp_send_dummy_mail_auth</a> (no)</b> <b><a href="postconf.5.html#smtp_send_dummy_mail_auth">smtp_send_dummy_mail_auth</a> (no)</b>
Whether or not to append the "AUTH=&lt;&gt;" option to the MAIL FROM Whether or not to append the "AUTH=&lt;&gt;" option to the MAIL FROM
command in SASL-authenticated SMTP sessions. command in SASL-authenticated SMTP sessions.
Available in Postfix version 3.9 and later: Available in Postfix version 3.9 and later:
<b><a href="postconf.5.html#smtp_sasl_password_result_delimiter">smtp_sasl_password_result_delimiter</a> (:)</b> <b><a href="postconf.5.html#smtp_sasl_password_result_delimiter">smtp_sasl_password_result_delimiter</a> (:)</b>
The delimiter between username and password in sasl_passwd_maps The delimiter between username and password in sasl_passwd_maps
lookup results. lookup results.
<b>STARTTLS SUPPORT CONTROLS</b> <b>STARTTLS SUPPORT CONTROLS</b>
Detailed information about STARTTLS configuration may be found in the Detailed information about STARTTLS configuration may be found in the
<a href="TLS_README.html">TLS_README</a> document. <a href="TLS_README.html">TLS_README</a> document.
<b><a href="postconf.5.html#smtp_tls_security_level">smtp_tls_security_level</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_security_level">smtp_tls_security_level</a> (empty)</b>
The default SMTP TLS security level for the Postfix SMTP client. The default SMTP TLS security level for the Postfix SMTP client.
<b><a href="postconf.5.html#smtp_sasl_tls_security_options">smtp_sasl_tls_security_options</a> ($<a href="postconf.5.html#smtp_sasl_security_options">smtp_sasl_security_options</a>)</b> <b><a href="postconf.5.html#smtp_sasl_tls_security_options">smtp_sasl_tls_security_options</a> ($<a href="postconf.5.html#smtp_sasl_security_options">smtp_sasl_security_options</a>)</b>
The SASL authentication security options that the Postfix SMTP The SASL authentication security options that the Postfix SMTP
client uses for TLS encrypted SMTP sessions. client uses for TLS encrypted SMTP sessions.
<b><a href="postconf.5.html#smtp_starttls_timeout">smtp_starttls_timeout</a> (300s)</b> <b><a href="postconf.5.html#smtp_starttls_timeout">smtp_starttls_timeout</a> (300s)</b>
Time limit for Postfix SMTP client write and read operations Time limit for Postfix SMTP client write and read operations
during TLS startup and shutdown handshake procedures. during TLS startup and shutdown handshake procedures.
<b><a href="postconf.5.html#smtp_tls_CAfile">smtp_tls_CAfile</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_CAfile">smtp_tls_CAfile</a> (empty)</b>
A file containing CA certificates of root CAs trusted to sign A file containing CA certificates of root CAs trusted to sign
either remote SMTP server certificates or intermediate CA cer- either remote SMTP server certificates or intermediate CA cer-
tificates. tificates.
<b><a href="postconf.5.html#smtp_tls_CApath">smtp_tls_CApath</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_CApath">smtp_tls_CApath</a> (empty)</b>
Directory with PEM format Certification Authority certificates Directory with PEM format Certification Authority certificates
that the Postfix SMTP client uses to verify a remote SMTP server that the Postfix SMTP client uses to verify a remote SMTP server
certificate. certificate.
@ -525,7 +528,7 @@ SMTP(8) SMTP(8)
File with the Postfix SMTP client RSA certificate in PEM format. File with the Postfix SMTP client RSA certificate in PEM format.
<b><a href="postconf.5.html#smtp_tls_mandatory_ciphers">smtp_tls_mandatory_ciphers</a> (medium)</b> <b><a href="postconf.5.html#smtp_tls_mandatory_ciphers">smtp_tls_mandatory_ciphers</a> (medium)</b>
The minimum TLS cipher grade that the Postfix SMTP client will The minimum TLS cipher grade that the Postfix SMTP client will
use with mandatory TLS encryption. use with mandatory TLS encryption.
<b><a href="postconf.5.html#smtp_tls_exclude_ciphers">smtp_tls_exclude_ciphers</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_exclude_ciphers">smtp_tls_exclude_ciphers</a> (empty)</b>
@ -533,8 +536,8 @@ SMTP(8) SMTP(8)
client cipher list at all TLS security levels. client cipher list at all TLS security levels.
<b><a href="postconf.5.html#smtp_tls_mandatory_exclude_ciphers">smtp_tls_mandatory_exclude_ciphers</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_mandatory_exclude_ciphers">smtp_tls_mandatory_exclude_ciphers</a> (empty)</b>
Additional list of ciphers or cipher types to exclude from the Additional list of ciphers or cipher types to exclude from the
Postfix SMTP client cipher list at mandatory TLS security lev- Postfix SMTP client cipher list at mandatory TLS security lev-
els. els.
<b><a href="postconf.5.html#smtp_tls_dcert_file">smtp_tls_dcert_file</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_dcert_file">smtp_tls_dcert_file</a> (empty)</b>
@ -550,7 +553,7 @@ SMTP(8) SMTP(8)
Enable additional Postfix SMTP client logging of TLS activity. Enable additional Postfix SMTP client logging of TLS activity.
<b><a href="postconf.5.html#smtp_tls_note_starttls_offer">smtp_tls_note_starttls_offer</a> (no)</b> <b><a href="postconf.5.html#smtp_tls_note_starttls_offer">smtp_tls_note_starttls_offer</a> (no)</b>
Log the hostname of a remote SMTP server that offers STARTTLS, Log the hostname of a remote SMTP server that offers STARTTLS,
when TLS is not already enabled for that server. when TLS is not already enabled for that server.
<b><a href="postconf.5.html#smtp_tls_policy_maps">smtp_tls_policy_maps</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_policy_maps">smtp_tls_policy_maps</a> (empty)</b>
@ -559,14 +562,14 @@ SMTP(8) SMTP(8)
fied, this overrides the obsolete <a href="postconf.5.html#smtp_tls_per_site">smtp_tls_per_site</a> parameter. fied, this overrides the obsolete <a href="postconf.5.html#smtp_tls_per_site">smtp_tls_per_site</a> parameter.
<b><a href="postconf.5.html#smtp_tls_mandatory_protocols">smtp_tls_mandatory_protocols</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#smtp_tls_mandatory_protocols">smtp_tls_mandatory_protocols</a> (see 'postconf -d' output)</b>
TLS protocols that the Postfix SMTP client will use with manda- TLS protocols that the Postfix SMTP client will use with manda-
tory TLS encryption. tory TLS encryption.
<b><a href="postconf.5.html#smtp_tls_scert_verifydepth">smtp_tls_scert_verifydepth</a> (9)</b> <b><a href="postconf.5.html#smtp_tls_scert_verifydepth">smtp_tls_scert_verifydepth</a> (9)</b>
The verification depth for remote SMTP server certificates. The verification depth for remote SMTP server certificates.
<b><a href="postconf.5.html#smtp_tls_secure_cert_match">smtp_tls_secure_cert_match</a> (nexthop, dot-nexthop)</b> <b><a href="postconf.5.html#smtp_tls_secure_cert_match">smtp_tls_secure_cert_match</a> (nexthop, dot-nexthop)</b>
How the Postfix SMTP client verifies the server certificate How the Postfix SMTP client verifies the server certificate
peername for the "secure" TLS security level. peername for the "secure" TLS security level.
<b><a href="postconf.5.html#smtp_tls_session_cache_database">smtp_tls_session_cache_database</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_session_cache_database">smtp_tls_session_cache_database</a> (empty)</b>
@ -574,16 +577,16 @@ SMTP(8) SMTP(8)
session cache. session cache.
<b><a href="postconf.5.html#smtp_tls_session_cache_timeout">smtp_tls_session_cache_timeout</a> (3600s)</b> <b><a href="postconf.5.html#smtp_tls_session_cache_timeout">smtp_tls_session_cache_timeout</a> (3600s)</b>
The expiration time of Postfix SMTP client TLS session cache The expiration time of Postfix SMTP client TLS session cache
information. information.
<b><a href="postconf.5.html#smtp_tls_verify_cert_match">smtp_tls_verify_cert_match</a> (hostname)</b> <b><a href="postconf.5.html#smtp_tls_verify_cert_match">smtp_tls_verify_cert_match</a> (hostname)</b>
How the Postfix SMTP client verifies the server certificate How the Postfix SMTP client verifies the server certificate
peername for the "verify" TLS security level. peername for the "verify" TLS security level.
<b><a href="postconf.5.html#tls_daemon_random_bytes">tls_daemon_random_bytes</a> (32)</b> <b><a href="postconf.5.html#tls_daemon_random_bytes">tls_daemon_random_bytes</a> (32)</b>
The number of pseudo-random bytes that an <a href="smtp.8.html"><b>smtp</b>(8)</a> or <a href="smtpd.8.html"><b>smtpd</b>(8)</a> The number of pseudo-random bytes that an <a href="smtp.8.html"><b>smtp</b>(8)</a> or <a href="smtpd.8.html"><b>smtpd</b>(8)</a>
process requests from the <a href="tlsmgr.8.html"><b>tlsmgr</b>(8)</a> server in order to seed its process requests from the <a href="tlsmgr.8.html"><b>tlsmgr</b>(8)</a> server in order to seed its
internal pseudo random number generator (PRNG). internal pseudo random number generator (PRNG).
<b><a href="postconf.5.html#tls_high_cipherlist">tls_high_cipherlist</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#tls_high_cipherlist">tls_high_cipherlist</a> (see 'postconf -d' output)</b>
@ -593,7 +596,7 @@ SMTP(8) SMTP(8)
The OpenSSL cipherlist for "medium" or higher grade ciphers. The OpenSSL cipherlist for "medium" or higher grade ciphers.
<b><a href="postconf.5.html#tls_null_cipherlist">tls_null_cipherlist</a> (eNULL:!aNULL)</b> <b><a href="postconf.5.html#tls_null_cipherlist">tls_null_cipherlist</a> (eNULL:!aNULL)</b>
The OpenSSL cipherlist for "NULL" grade ciphers that provide The OpenSSL cipherlist for "NULL" grade ciphers that provide
authentication without encryption. authentication without encryption.
Available in in Postfix version 2.3..3.7: Available in in Postfix version 2.3..3.7:
@ -608,45 +611,45 @@ SMTP(8) SMTP(8)
<b><a href="postconf.5.html#smtp_sasl_tls_verified_security_options">smtp_sasl_tls_verified_security_options</a> ($<a href="postconf.5.html#smtp_sasl_tls_security_options">smtp_sasl_tls_secu</a>-</b> <b><a href="postconf.5.html#smtp_sasl_tls_verified_security_options">smtp_sasl_tls_verified_security_options</a> ($<a href="postconf.5.html#smtp_sasl_tls_security_options">smtp_sasl_tls_secu</a>-</b>
<b><a href="postconf.5.html#smtp_sasl_tls_security_options">rity_options</a>)</b> <b><a href="postconf.5.html#smtp_sasl_tls_security_options">rity_options</a>)</b>
The SASL authentication security options that the Postfix SMTP The SASL authentication security options that the Postfix SMTP
client uses for TLS encrypted SMTP sessions with a verified client uses for TLS encrypted SMTP sessions with a verified
server certificate. server certificate.
Available in Postfix version 2.5 and later: Available in Postfix version 2.5 and later:
<b><a href="postconf.5.html#smtp_tls_fingerprint_cert_match">smtp_tls_fingerprint_cert_match</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_fingerprint_cert_match">smtp_tls_fingerprint_cert_match</a> (empty)</b>
List of acceptable remote SMTP server certificate fingerprints List of acceptable remote SMTP server certificate fingerprints
for the "fingerprint" TLS security level (<b><a href="postconf.5.html#smtp_tls_security_level">smtp_tls_secu</a>-</b> for the "fingerprint" TLS security level (<b><a href="postconf.5.html#smtp_tls_security_level">smtp_tls_secu</a>-</b>
<b><a href="postconf.5.html#smtp_tls_security_level">rity_level</a></b> = fingerprint). <b><a href="postconf.5.html#smtp_tls_security_level">rity_level</a></b> = fingerprint).
<b><a href="postconf.5.html#smtp_tls_fingerprint_digest">smtp_tls_fingerprint_digest</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#smtp_tls_fingerprint_digest">smtp_tls_fingerprint_digest</a> (see 'postconf -d' output)</b>
The message digest algorithm used to construct remote SMTP The message digest algorithm used to construct remote SMTP
server certificate fingerprints. server certificate fingerprints.
Available in Postfix version 2.6 and later: Available in Postfix version 2.6 and later:
<b><a href="postconf.5.html#smtp_tls_protocols">smtp_tls_protocols</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#smtp_tls_protocols">smtp_tls_protocols</a> (see 'postconf -d' output)</b>
TLS protocols that the Postfix SMTP client will use with oppor- TLS protocols that the Postfix SMTP client will use with oppor-
tunistic TLS encryption. tunistic TLS encryption.
<b><a href="postconf.5.html#smtp_tls_ciphers">smtp_tls_ciphers</a> (medium)</b> <b><a href="postconf.5.html#smtp_tls_ciphers">smtp_tls_ciphers</a> (medium)</b>
The minimum TLS cipher grade that the Postfix SMTP client will The minimum TLS cipher grade that the Postfix SMTP client will
use with opportunistic TLS encryption. use with opportunistic TLS encryption.
<b><a href="postconf.5.html#smtp_tls_eccert_file">smtp_tls_eccert_file</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_eccert_file">smtp_tls_eccert_file</a> (empty)</b>
File with the Postfix SMTP client ECDSA certificate in PEM for- File with the Postfix SMTP client ECDSA certificate in PEM for-
mat. mat.
<b><a href="postconf.5.html#smtp_tls_eckey_file">smtp_tls_eckey_file</a> ($<a href="postconf.5.html#smtp_tls_eccert_file">smtp_tls_eccert_file</a>)</b> <b><a href="postconf.5.html#smtp_tls_eckey_file">smtp_tls_eckey_file</a> ($<a href="postconf.5.html#smtp_tls_eccert_file">smtp_tls_eccert_file</a>)</b>
File with the Postfix SMTP client ECDSA private key in PEM for- File with the Postfix SMTP client ECDSA private key in PEM for-
mat. mat.
Available in Postfix version 2.7 and later: Available in Postfix version 2.7 and later:
<b><a href="postconf.5.html#smtp_tls_block_early_mail_reply">smtp_tls_block_early_mail_reply</a> (no)</b> <b><a href="postconf.5.html#smtp_tls_block_early_mail_reply">smtp_tls_block_early_mail_reply</a> (no)</b>
Try to detect a mail hijacking attack based on a TLS protocol Try to detect a mail hijacking attack based on a TLS protocol
vulnerability (CVE-2009-3555), where an attacker prepends mali- vulnerability (CVE-2009-3555), where an attacker prepends mali-
cious HELO, MAIL, RCPT, DATA commands to a Postfix SMTP client cious HELO, MAIL, RCPT, DATA commands to a Postfix SMTP client
TLS session. TLS session.
Available in Postfix version 2.8 and later: Available in Postfix version 2.8 and later:
@ -666,11 +669,11 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.11 and later: Available in Postfix version 2.11 and later:
<b><a href="postconf.5.html#smtp_tls_trust_anchor_file">smtp_tls_trust_anchor_file</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_trust_anchor_file">smtp_tls_trust_anchor_file</a> (empty)</b>
Zero or more PEM-format files with trust-anchor certificates Zero or more PEM-format files with trust-anchor certificates
and/or public keys. and/or public keys.
<b><a href="postconf.5.html#smtp_tls_force_insecure_host_tlsa_lookup">smtp_tls_force_insecure_host_tlsa_lookup</a> (no)</b> <b><a href="postconf.5.html#smtp_tls_force_insecure_host_tlsa_lookup">smtp_tls_force_insecure_host_tlsa_lookup</a> (no)</b>
Lookup the associated DANE TLSA RRset even when a hostname is Lookup the associated DANE TLSA RRset even when a hostname is
not an alias and its address records lie in an unsigned zone. not an alias and its address records lie in an unsigned zone.
<b><a href="postconf.5.html#tlsmgr_service_name">tlsmgr_service_name</a> (tlsmgr)</b> <b><a href="postconf.5.html#tlsmgr_service_name">tlsmgr_service_name</a> (tlsmgr)</b>
@ -679,14 +682,14 @@ SMTP(8) SMTP(8)
Available in Postfix version 3.0 and later: Available in Postfix version 3.0 and later:
<b><a href="postconf.5.html#smtp_tls_wrappermode">smtp_tls_wrappermode</a> (no)</b> <b><a href="postconf.5.html#smtp_tls_wrappermode">smtp_tls_wrappermode</a> (no)</b>
Request that the Postfix SMTP client connects using the SUBMIS- Request that the Postfix SMTP client connects using the SUBMIS-
SIONS/SMTPS protocol instead of using the STARTTLS command. SIONS/SMTPS protocol instead of using the STARTTLS command.
Available in Postfix version 3.1 and later: Available in Postfix version 3.1 and later:
<b><a href="postconf.5.html#smtp_tls_dane_insecure_mx_policy">smtp_tls_dane_insecure_mx_policy</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#smtp_tls_dane_insecure_mx_policy">smtp_tls_dane_insecure_mx_policy</a> (see 'postconf -d' output)</b>
The TLS policy for MX hosts with "secure" TLSA records when the The TLS policy for MX hosts with "secure" TLSA records when the
nexthop destination security level is <b>dane</b>, but the MX record nexthop destination security level is <b>dane</b>, but the MX record
was found via an "insecure" MX lookup. was found via an "insecure" MX lookup.
Available in Postfix version 3.2 and later: Available in Postfix version 3.2 and later:
@ -701,23 +704,23 @@ SMTP(8) SMTP(8)
Try to make multiple deliveries per TLS-encrypted connection. Try to make multiple deliveries per TLS-encrypted connection.
<b><a href="postconf.5.html#smtp_tls_chain_files">smtp_tls_chain_files</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_chain_files">smtp_tls_chain_files</a> (empty)</b>
List of one or more PEM files, each holding one or more private List of one or more PEM files, each holding one or more private
keys directly followed by a corresponding certificate chain. keys directly followed by a corresponding certificate chain.
<b><a href="postconf.5.html#smtp_tls_servername">smtp_tls_servername</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_servername">smtp_tls_servername</a> (empty)</b>
Optional name to send to the remote SMTP server in the TLS Optional name to send to the remote SMTP server in the TLS
Server Name Indication (SNI) extension. Server Name Indication (SNI) extension.
Available in Postfix 3.5, 3.4.6, 3.3.5, 3.2.10, 3.1.13 and later: Available in Postfix 3.5, 3.4.6, 3.3.5, 3.2.10, 3.1.13 and later:
<b><a href="postconf.5.html#tls_fast_shutdown_enable">tls_fast_shutdown_enable</a> (yes)</b> <b><a href="postconf.5.html#tls_fast_shutdown_enable">tls_fast_shutdown_enable</a> (yes)</b>
A workaround for implementations that hang Postfix while shut- A workaround for implementations that hang Postfix while shut-
ting down a TLS session, until Postfix times out. ting down a TLS session, until Postfix times out.
Available in Postfix version 3.8 and later: Available in Postfix version 3.8 and later:
<b><a href="postconf.5.html#tls_ffdhe_auto_groups">tls_ffdhe_auto_groups</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#tls_ffdhe_auto_groups">tls_ffdhe_auto_groups</a> (see 'postconf -d' output)</b>
The prioritized list of finite-field Diffie-Hellman ephemeral The prioritized list of finite-field Diffie-Hellman ephemeral
(FFDHE) key exchange groups supported by the Postfix SMTP client (FFDHE) key exchange groups supported by the Postfix SMTP client
and server. and server.
@ -727,50 +730,50 @@ SMTP(8) SMTP(8)
Optional configuration file with baseline OpenSSL settings. Optional configuration file with baseline OpenSSL settings.
<b><a href="postconf.5.html#tls_config_name">tls_config_name</a> (empty)</b> <b><a href="postconf.5.html#tls_config_name">tls_config_name</a> (empty)</b>
The application name passed by Postfix to OpenSSL library ini- The application name passed by Postfix to OpenSSL library ini-
tialization functions. tialization functions.
Available in Postfix version 3.9 and later: Available in Postfix version 3.9 and later:
<b><a href="postconf.5.html#smtp_tls_enable_rpk">smtp_tls_enable_rpk</a> (no)</b> <b><a href="postconf.5.html#smtp_tls_enable_rpk">smtp_tls_enable_rpk</a> (no)</b>
Request that remote SMTP servers send an <a href="https://tools.ietf.org/html/rfc7250">RFC7250</a> raw public key Request that remote SMTP servers send an <a href="https://tools.ietf.org/html/rfc7250">RFC7250</a> raw public key
instead of an X.509 certificate. instead of an X.509 certificate.
<b>OBSOLETE STARTTLS CONTROLS</b> <b>OBSOLETE STARTTLS CONTROLS</b>
The following configuration parameters exist for compatibility with The following configuration parameters exist for compatibility with
Postfix versions before 2.3. Support for these will be removed in a Postfix versions before 2.3. Support for these will be removed in a
future release. future release.
<b><a href="postconf.5.html#smtp_use_tls">smtp_use_tls</a> (no)</b> <b><a href="postconf.5.html#smtp_use_tls">smtp_use_tls</a> (no)</b>
Opportunistic mode: use TLS when a remote SMTP server announces Opportunistic mode: use TLS when a remote SMTP server announces
STARTTLS support, otherwise send the mail in the clear. STARTTLS support, otherwise send the mail in the clear.
<b><a href="postconf.5.html#smtp_enforce_tls">smtp_enforce_tls</a> (no)</b> <b><a href="postconf.5.html#smtp_enforce_tls">smtp_enforce_tls</a> (no)</b>
Enforcement mode: require that remote SMTP servers use TLS Enforcement mode: require that remote SMTP servers use TLS
encryption, and never send mail in the clear. encryption, and never send mail in the clear.
<b><a href="postconf.5.html#smtp_tls_enforce_peername">smtp_tls_enforce_peername</a> (yes)</b> <b><a href="postconf.5.html#smtp_tls_enforce_peername">smtp_tls_enforce_peername</a> (yes)</b>
With mandatory TLS encryption, require that the remote SMTP With mandatory TLS encryption, require that the remote SMTP
server hostname matches the information in the remote SMTP server hostname matches the information in the remote SMTP
server certificate. server certificate.
<b><a href="postconf.5.html#smtp_tls_per_site">smtp_tls_per_site</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_per_site">smtp_tls_per_site</a> (empty)</b>
Optional lookup tables with the Postfix SMTP client TLS usage Optional lookup tables with the Postfix SMTP client TLS usage
policy by next-hop destination and by remote SMTP server host- policy by next-hop destination and by remote SMTP server host-
name. name.
<b><a href="postconf.5.html#smtp_tls_cipherlist">smtp_tls_cipherlist</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_cipherlist">smtp_tls_cipherlist</a> (empty)</b>
Obsolete Postfix &lt; 2.3 control for the Postfix SMTP client TLS Obsolete Postfix &lt; 2.3 control for the Postfix SMTP client TLS
cipher list. cipher list.
<b>RESOURCE AND RATE CONTROLS</b> <b>RESOURCE AND RATE CONTROLS</b>
<b><a href="postconf.5.html#smtp_connect_timeout">smtp_connect_timeout</a> (30s)</b> <b><a href="postconf.5.html#smtp_connect_timeout">smtp_connect_timeout</a> (30s)</b>
The Postfix SMTP client time limit for completing a TCP connec- The Postfix SMTP client time limit for completing a TCP connec-
tion, or zero (use the operating system built-in time limit). tion, or zero (use the operating system built-in time limit).
<b><a href="postconf.5.html#smtp_helo_timeout">smtp_helo_timeout</a> (300s)</b> <b><a href="postconf.5.html#smtp_helo_timeout">smtp_helo_timeout</a> (300s)</b>
The Postfix SMTP client time limit for sending the HELO or EHLO The Postfix SMTP client time limit for sending the HELO or EHLO
command, and for receiving the initial remote SMTP server command, and for receiving the initial remote SMTP server
response. response.
<b><a href="postconf.5.html#lmtp_lhlo_timeout">lmtp_lhlo_timeout</a> (300s)</b> <b><a href="postconf.5.html#lmtp_lhlo_timeout">lmtp_lhlo_timeout</a> (300s)</b>
@ -782,19 +785,19 @@ SMTP(8) SMTP(8)
mand, and for receiving the remote SMTP server response. mand, and for receiving the remote SMTP server response.
<b><a href="postconf.5.html#smtp_mail_timeout">smtp_mail_timeout</a> (300s)</b> <b><a href="postconf.5.html#smtp_mail_timeout">smtp_mail_timeout</a> (300s)</b>
The Postfix SMTP client time limit for sending the MAIL FROM The Postfix SMTP client time limit for sending the MAIL FROM
command, and for receiving the remote SMTP server response. command, and for receiving the remote SMTP server response.
<b><a href="postconf.5.html#smtp_rcpt_timeout">smtp_rcpt_timeout</a> (300s)</b> <b><a href="postconf.5.html#smtp_rcpt_timeout">smtp_rcpt_timeout</a> (300s)</b>
The Postfix SMTP client time limit for sending the SMTP RCPT TO The Postfix SMTP client time limit for sending the SMTP RCPT TO
command, and for receiving the remote SMTP server response. command, and for receiving the remote SMTP server response.
<b><a href="postconf.5.html#smtp_data_init_timeout">smtp_data_init_timeout</a> (120s)</b> <b><a href="postconf.5.html#smtp_data_init_timeout">smtp_data_init_timeout</a> (120s)</b>
The Postfix SMTP client time limit for sending the SMTP DATA The Postfix SMTP client time limit for sending the SMTP DATA
command, and for receiving the remote SMTP server response. command, and for receiving the remote SMTP server response.
<b><a href="postconf.5.html#smtp_data_xfer_timeout">smtp_data_xfer_timeout</a> (180s)</b> <b><a href="postconf.5.html#smtp_data_xfer_timeout">smtp_data_xfer_timeout</a> (180s)</b>
The Postfix SMTP client time limit for sending the SMTP message The Postfix SMTP client time limit for sending the SMTP message
content. content.
<b><a href="postconf.5.html#smtp_data_done_timeout">smtp_data_done_timeout</a> (600s)</b> <b><a href="postconf.5.html#smtp_data_done_timeout">smtp_data_done_timeout</a> (600s)</b>
@ -808,13 +811,13 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.1 and later: Available in Postfix version 2.1 and later:
<b><a href="postconf.5.html#smtp_mx_address_limit">smtp_mx_address_limit</a> (5)</b> <b><a href="postconf.5.html#smtp_mx_address_limit">smtp_mx_address_limit</a> (5)</b>
The maximal number of MX (mail exchanger) IP addresses that can The maximal number of MX (mail exchanger) IP addresses that can
result from Postfix SMTP client mail exchanger lookups, or zero result from Postfix SMTP client mail exchanger lookups, or zero
(no limit). (no limit).
<b><a href="postconf.5.html#smtp_mx_session_limit">smtp_mx_session_limit</a> (2)</b> <b><a href="postconf.5.html#smtp_mx_session_limit">smtp_mx_session_limit</a> (2)</b>
The maximal number of SMTP sessions per delivery request before The maximal number of SMTP sessions per delivery request before
the Postfix SMTP client gives up or delivers to a fall-back the Postfix SMTP client gives up or delivers to a fall-back
<a href="postconf.5.html#relayhost">relay host</a>, or zero (no limit). <a href="postconf.5.html#relayhost">relay host</a>, or zero (no limit).
<b><a href="postconf.5.html#smtp_rset_timeout">smtp_rset_timeout</a> (20s)</b> <b><a href="postconf.5.html#smtp_rset_timeout">smtp_rset_timeout</a> (20s)</b>
@ -824,17 +827,17 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.2 and earlier: Available in Postfix version 2.2 and earlier:
<b><a href="postconf.5.html#lmtp_cache_connection">lmtp_cache_connection</a> (yes)</b> <b><a href="postconf.5.html#lmtp_cache_connection">lmtp_cache_connection</a> (yes)</b>
Keep Postfix LMTP client connections open for up to $<a href="postconf.5.html#max_idle">max_idle</a> Keep Postfix LMTP client connections open for up to $<a href="postconf.5.html#max_idle">max_idle</a>
seconds. seconds.
Available in Postfix version 2.2 and later: Available in Postfix version 2.2 and later:
<b><a href="postconf.5.html#smtp_connection_cache_destinations">smtp_connection_cache_destinations</a> (empty)</b> <b><a href="postconf.5.html#smtp_connection_cache_destinations">smtp_connection_cache_destinations</a> (empty)</b>
Permanently enable SMTP connection caching for the specified Permanently enable SMTP connection caching for the specified
destinations. destinations.
<b><a href="postconf.5.html#smtp_connection_cache_on_demand">smtp_connection_cache_on_demand</a> (yes)</b> <b><a href="postconf.5.html#smtp_connection_cache_on_demand">smtp_connection_cache_on_demand</a> (yes)</b>
Temporarily enable SMTP connection caching while a destination Temporarily enable SMTP connection caching while a destination
has a high volume of mail in the <a href="QSHAPE_README.html#active_queue">active queue</a>. has a high volume of mail in the <a href="QSHAPE_README.html#active_queue">active queue</a>.
<b><a href="postconf.5.html#smtp_connection_reuse_time_limit">smtp_connection_reuse_time_limit</a> (300s)</b> <b><a href="postconf.5.html#smtp_connection_reuse_time_limit">smtp_connection_reuse_time_limit</a> (300s)</b>
@ -848,23 +851,23 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.3 and later: Available in Postfix version 2.3 and later:
<b><a href="postconf.5.html#connection_cache_protocol_timeout">connection_cache_protocol_timeout</a> (5s)</b> <b><a href="postconf.5.html#connection_cache_protocol_timeout">connection_cache_protocol_timeout</a> (5s)</b>
Time limit for connection cache connect, send or receive opera- Time limit for connection cache connect, send or receive opera-
tions. tions.
Available in Postfix version 2.9 - 3.6: Available in Postfix version 2.9 - 3.6:
<b><a href="postconf.5.html#smtp_per_record_deadline">smtp_per_record_deadline</a> (no)</b> <b><a href="postconf.5.html#smtp_per_record_deadline">smtp_per_record_deadline</a> (no)</b>
Change the behavior of the smtp_*_timeout time limits, from a Change the behavior of the smtp_*_timeout time limits, from a
time limit per read or write system call, to a time limit to time limit per read or write system call, to a time limit to
send or receive a complete record (an SMTP command line, SMTP send or receive a complete record (an SMTP command line, SMTP
response line, SMTP message content line, or TLS protocol mes- response line, SMTP message content line, or TLS protocol mes-
sage). sage).
Available in Postfix version 2.11 and later: Available in Postfix version 2.11 and later:
<b><a href="postconf.5.html#smtp_connection_reuse_count_limit">smtp_connection_reuse_count_limit</a> (0)</b> <b><a href="postconf.5.html#smtp_connection_reuse_count_limit">smtp_connection_reuse_count_limit</a> (0)</b>
When SMTP connection caching is enabled, the number of times When SMTP connection caching is enabled, the number of times
that an SMTP session may be reused before it is closed, or zero that an SMTP session may be reused before it is closed, or zero
(no limit). (no limit).
Available in Postfix version 3.4 and later: Available in Postfix version 3.4 and later:
@ -875,13 +878,13 @@ SMTP(8) SMTP(8)
Available in Postfix version 3.7 and later: Available in Postfix version 3.7 and later:
<b><a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a> (no)</b> <b><a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a> (no)</b>
Change the behavior of the smtp_*_timeout time limits, from a Change the behavior of the smtp_*_timeout time limits, from a
time limit per plaintext or TLS read or write call, to a com- time limit per plaintext or TLS read or write call, to a com-
bined time limit for sending a complete SMTP request and for bined time limit for sending a complete SMTP request and for
receiving a complete SMTP response. receiving a complete SMTP response.
<b><a href="postconf.5.html#smtp_min_data_rate">smtp_min_data_rate</a> (500)</b> <b><a href="postconf.5.html#smtp_min_data_rate">smtp_min_data_rate</a> (500)</b>
The minimum plaintext data transfer rate in bytes/second for The minimum plaintext data transfer rate in bytes/second for
DATA requests, when deadlines are enabled with DATA requests, when deadlines are enabled with
<a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a>. <a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a>.
@ -889,54 +892,54 @@ SMTP(8) SMTP(8)
<b><a href="postconf.5.html#transport_destination_concurrency_limit">transport_destination_concurrency_limit</a> ($<a href="postconf.5.html#default_destination_concurrency_limit">default_destination_concur</a>-</b> <b><a href="postconf.5.html#transport_destination_concurrency_limit">transport_destination_concurrency_limit</a> ($<a href="postconf.5.html#default_destination_concurrency_limit">default_destination_concur</a>-</b>
<b><a href="postconf.5.html#default_destination_concurrency_limit">rency_limit</a>)</b> <b><a href="postconf.5.html#default_destination_concurrency_limit">rency_limit</a>)</b>
A transport-specific override for the <a href="postconf.5.html#default_destination_concurrency_limit">default_destination_con</a>- A transport-specific override for the <a href="postconf.5.html#default_destination_concurrency_limit">default_destination_con</a>-
<a href="postconf.5.html#default_destination_concurrency_limit">currency_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a> <a href="postconf.5.html#default_destination_concurrency_limit">currency_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a>
name of the message delivery transport. name of the message delivery transport.
<b><a href="postconf.5.html#transport_destination_recipient_limit">transport_destination_recipient_limit</a> ($<a href="postconf.5.html#default_destination_recipient_limit">default_destination_recipi</a>-</b> <b><a href="postconf.5.html#transport_destination_recipient_limit">transport_destination_recipient_limit</a> ($<a href="postconf.5.html#default_destination_recipient_limit">default_destination_recipi</a>-</b>
<b><a href="postconf.5.html#default_destination_recipient_limit">ent_limit</a>)</b> <b><a href="postconf.5.html#default_destination_recipient_limit">ent_limit</a>)</b>
A transport-specific override for the <a href="postconf.5.html#default_destination_recipient_limit">default_destination_recip</a>- A transport-specific override for the <a href="postconf.5.html#default_destination_recipient_limit">default_destination_recip</a>-
<a href="postconf.5.html#default_destination_recipient_limit">ient_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a> <a href="postconf.5.html#default_destination_recipient_limit">ient_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a>
name of the message delivery transport. name of the message delivery transport.
<b>SMTPUTF8 CONTROLS</b> <b>SMTPUTF8 CONTROLS</b>
Preliminary SMTPUTF8 support is introduced with Postfix 3.0. Preliminary SMTPUTF8 support is introduced with Postfix 3.0.
<b><a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> (yes)</b> <b><a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> (yes)</b>
Enable preliminary SMTPUTF8 support for the protocols described Enable preliminary SMTPUTF8 support for the protocols described
in <a href="https://tools.ietf.org/html/rfc6531">RFC 6531</a>, <a href="https://tools.ietf.org/html/rfc6532">RFC 6532</a>, and <a href="https://tools.ietf.org/html/rfc6533">RFC 6533</a>. in <a href="https://tools.ietf.org/html/rfc6531">RFC 6531</a>, <a href="https://tools.ietf.org/html/rfc6532">RFC 6532</a>, and <a href="https://tools.ietf.org/html/rfc6533">RFC 6533</a>.
<b><a href="postconf.5.html#smtputf8_autodetect_classes">smtputf8_autodetect_classes</a> (sendmail, verify)</b> <b><a href="postconf.5.html#smtputf8_autodetect_classes">smtputf8_autodetect_classes</a> (sendmail, verify)</b>
Detect that a message requires SMTPUTF8 support for the speci- Detect that a message requires SMTPUTF8 support for the speci-
fied mail origin classes. fied mail origin classes.
Available in Postfix version 3.2 and later: Available in Postfix version 3.2 and later:
<b><a href="postconf.5.html#enable_idna2003_compatibility">enable_idna2003_compatibility</a> (no)</b> <b><a href="postconf.5.html#enable_idna2003_compatibility">enable_idna2003_compatibility</a> (no)</b>
Enable 'transitional' compatibility between IDNA2003 and Enable 'transitional' compatibility between IDNA2003 and
IDNA2008, when converting UTF-8 domain names to/from the ASCII IDNA2008, when converting UTF-8 domain names to/from the ASCII
form that is used for DNS lookups. form that is used for DNS lookups.
<b>TROUBLE SHOOTING CONTROLS</b> <b>TROUBLE SHOOTING CONTROLS</b>
<b><a href="postconf.5.html#debug_peer_level">debug_peer_level</a> (2)</b> <b><a href="postconf.5.html#debug_peer_level">debug_peer_level</a> (2)</b>
The increment in verbose logging level when a nexthop destina- The increment in verbose logging level when a nexthop destina-
tion, remote client or server name or network address matches a tion, remote client or server name or network address matches a
pattern given with the <a href="postconf.5.html#debug_peer_list">debug_peer_list</a> parameter. pattern given with the <a href="postconf.5.html#debug_peer_list">debug_peer_list</a> parameter.
<b><a href="postconf.5.html#debug_peer_list">debug_peer_list</a> (empty)</b> <b><a href="postconf.5.html#debug_peer_list">debug_peer_list</a> (empty)</b>
Optional list of nexthop destination, remote client or server Optional list of nexthop destination, remote client or server
name or network address patterns that, if matched, cause the name or network address patterns that, if matched, cause the
verbose logging level to increase by the amount specified in verbose logging level to increase by the amount specified in
$<a href="postconf.5.html#debug_peer_level">debug_peer_level</a>. $<a href="postconf.5.html#debug_peer_level">debug_peer_level</a>.
<b><a href="postconf.5.html#error_notice_recipient">error_notice_recipient</a> (postmaster)</b> <b><a href="postconf.5.html#error_notice_recipient">error_notice_recipient</a> (postmaster)</b>
The recipient of postmaster notifications about mail delivery The recipient of postmaster notifications about mail delivery
problems that are caused by policy, resource, software or proto- problems that are caused by policy, resource, software or proto-
col errors. col errors.
<b><a href="postconf.5.html#internal_mail_filter_classes">internal_mail_filter_classes</a> (empty)</b> <b><a href="postconf.5.html#internal_mail_filter_classes">internal_mail_filter_classes</a> (empty)</b>
What categories of Postfix-generated mail are subject to What categories of Postfix-generated mail are subject to
before-queue content inspection by <a href="postconf.5.html#non_smtpd_milters">non_smtpd_milters</a>, before-queue content inspection by <a href="postconf.5.html#non_smtpd_milters">non_smtpd_milters</a>,
<a href="postconf.5.html#header_checks">header_checks</a> and <a href="postconf.5.html#body_checks">body_checks</a>. <a href="postconf.5.html#header_checks">header_checks</a> and <a href="postconf.5.html#body_checks">body_checks</a>.
<b><a href="postconf.5.html#notify_classes">notify_classes</a> (resource, software)</b> <b><a href="postconf.5.html#notify_classes">notify_classes</a> (resource, software)</b>
@ -944,46 +947,46 @@ SMTP(8) SMTP(8)
<b>MISCELLANEOUS CONTROLS</b> <b>MISCELLANEOUS CONTROLS</b>
<b><a href="postconf.5.html#best_mx_transport">best_mx_transport</a> (empty)</b> <b><a href="postconf.5.html#best_mx_transport">best_mx_transport</a> (empty)</b>
Where the Postfix SMTP client should deliver mail when it Where the Postfix SMTP client should deliver mail when it
detects a "mail loops back to myself" error condition. detects a "mail loops back to myself" error condition.
<b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b>
The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con- The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con-
figuration files. figuration files.
<b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b> <b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b>
How much time a Postfix daemon process may take to handle a How much time a Postfix daemon process may take to handle a
request before it is terminated by a built-in watchdog timer. request before it is terminated by a built-in watchdog timer.
<b><a href="postconf.5.html#delay_logging_resolution_limit">delay_logging_resolution_limit</a> (2)</b> <b><a href="postconf.5.html#delay_logging_resolution_limit">delay_logging_resolution_limit</a> (2)</b>
The maximal number of digits after the decimal point when log- The maximal number of digits after the decimal point when log-
ging sub-second delay values. ging sub-second delay values.
<b><a href="postconf.5.html#disable_dns_lookups">disable_dns_lookups</a> (no)</b> <b><a href="postconf.5.html#disable_dns_lookups">disable_dns_lookups</a> (no)</b>
Disable DNS lookups in the Postfix SMTP and LMTP clients. Disable DNS lookups in the Postfix SMTP and LMTP clients.
<b><a href="postconf.5.html#inet_interfaces">inet_interfaces</a> (all)</b> <b><a href="postconf.5.html#inet_interfaces">inet_interfaces</a> (all)</b>
The local network interface addresses that this mail system The local network interface addresses that this mail system
receives mail on. receives mail on.
<b><a href="postconf.5.html#inet_protocols">inet_protocols</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#inet_protocols">inet_protocols</a> (see 'postconf -d' output)</b>
The Internet protocols Postfix will attempt to use when making The Internet protocols Postfix will attempt to use when making
or accepting connections. or accepting connections.
<b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b> <b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b>
The time limit for sending or receiving information over an The time limit for sending or receiving information over an
internal communication channel. internal communication channel.
<b><a href="postconf.5.html#lmtp_assume_final">lmtp_assume_final</a> (no)</b> <b><a href="postconf.5.html#lmtp_assume_final">lmtp_assume_final</a> (no)</b>
When a remote LMTP server announces no DSN support, assume that When a remote LMTP server announces no DSN support, assume that
the server performs final delivery, and send "delivered" deliv- the server performs final delivery, and send "delivered" deliv-
ery status notifications instead of "relayed". ery status notifications instead of "relayed".
<b><a href="postconf.5.html#lmtp_tcp_port">lmtp_tcp_port</a> (24)</b> <b><a href="postconf.5.html#lmtp_tcp_port">lmtp_tcp_port</a> (24)</b>
The default TCP port that the Postfix LMTP client connects to. The default TCP port that the Postfix LMTP client connects to.
<b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b> <b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b>
The maximum amount of time that an idle Postfix daemon process The maximum amount of time that an idle Postfix daemon process
waits for an incoming connection before terminating voluntarily. waits for an incoming connection before terminating voluntarily.
<b><a href="postconf.5.html#max_use">max_use</a> (100)</b> <b><a href="postconf.5.html#max_use">max_use</a> (100)</b>
@ -997,21 +1000,21 @@ SMTP(8) SMTP(8)
The process name of a Postfix command or daemon process. The process name of a Postfix command or daemon process.
<b><a href="postconf.5.html#proxy_interfaces">proxy_interfaces</a> (empty)</b> <b><a href="postconf.5.html#proxy_interfaces">proxy_interfaces</a> (empty)</b>
The remote network interface addresses that this mail system The remote network interface addresses that this mail system
receives mail on by way of a proxy or network address transla- receives mail on by way of a proxy or network address transla-
tion unit. tion unit.
<b><a href="postconf.5.html#smtp_address_preference">smtp_address_preference</a> (any)</b> <b><a href="postconf.5.html#smtp_address_preference">smtp_address_preference</a> (any)</b>
The address type ("ipv6", "ipv4" or "any") that the Postfix SMTP The address type ("ipv6", "ipv4" or "any") that the Postfix SMTP
client will try first, when a destination has IPv6 and IPv4 client will try first, when a destination has IPv6 and IPv4
addresses with equal MX preference. addresses with equal MX preference.
<b><a href="postconf.5.html#smtp_bind_address">smtp_bind_address</a> (empty)</b> <b><a href="postconf.5.html#smtp_bind_address">smtp_bind_address</a> (empty)</b>
An optional numerical network address that the Postfix SMTP An optional numerical network address that the Postfix SMTP
client should bind to when making an IPv4 connection. client should bind to when making an IPv4 connection.
<b><a href="postconf.5.html#smtp_bind_address6">smtp_bind_address6</a> (empty)</b> <b><a href="postconf.5.html#smtp_bind_address6">smtp_bind_address6</a> (empty)</b>
An optional numerical network address that the Postfix SMTP An optional numerical network address that the Postfix SMTP
client should bind to when making an IPv6 connection. client should bind to when making an IPv6 connection.
<b><a href="postconf.5.html#smtp_helo_name">smtp_helo_name</a> ($<a href="postconf.5.html#myhostname">myhostname</a>)</b> <b><a href="postconf.5.html#smtp_helo_name">smtp_helo_name</a> ($<a href="postconf.5.html#myhostname">myhostname</a>)</b>
@ -1031,7 +1034,7 @@ SMTP(8) SMTP(8)
The syslog facility of Postfix logging. The syslog facility of Postfix logging.
<b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b>
A prefix that is prepended to the process name in syslog A prefix that is prepended to the process name in syslog
records, so that, for example, "smtpd" becomes "prefix/smtpd". records, so that, for example, "smtpd" becomes "prefix/smtpd".
Available with Postfix 2.2 and earlier: Available with Postfix 2.2 and earlier:
@ -1043,14 +1046,14 @@ SMTP(8) SMTP(8)
Available with Postfix 2.3 and later: Available with Postfix 2.3 and later:
<b><a href="postconf.5.html#smtp_fallback_relay">smtp_fallback_relay</a> ($<a href="postconf.5.html#fallback_relay">fallback_relay</a>)</b> <b><a href="postconf.5.html#smtp_fallback_relay">smtp_fallback_relay</a> ($<a href="postconf.5.html#fallback_relay">fallback_relay</a>)</b>
Optional list of relay destinations that will be used when an Optional list of relay destinations that will be used when an
SMTP destination is not found, or when delivery fails due to a SMTP destination is not found, or when delivery fails due to a
non-permanent error. non-permanent error.
Available with Postfix 3.0 and later: Available with Postfix 3.0 and later:
<b><a href="postconf.5.html#smtp_address_verify_target">smtp_address_verify_target</a> (rcpt)</b> <b><a href="postconf.5.html#smtp_address_verify_target">smtp_address_verify_target</a> (rcpt)</b>
In the context of email address verification, the SMTP protocol In the context of email address verification, the SMTP protocol
stage that determines whether an email address is deliverable. stage that determines whether an email address is deliverable.
Available with Postfix 3.1 and later: Available with Postfix 3.1 and later:
@ -1072,7 +1075,7 @@ SMTP(8) SMTP(8)
Available in Postfix 3.7 and later: Available in Postfix 3.7 and later:
<b><a href="postconf.5.html#smtp_bind_address_enforce">smtp_bind_address_enforce</a> (no)</b> <b><a href="postconf.5.html#smtp_bind_address_enforce">smtp_bind_address_enforce</a> (no)</b>
Defer delivery when the Postfix SMTP client cannot apply the Defer delivery when the Postfix SMTP client cannot apply the
<a href="postconf.5.html#smtp_bind_address">smtp_bind_address</a> or <a href="postconf.5.html#smtp_bind_address6">smtp_bind_address6</a> setting. <a href="postconf.5.html#smtp_bind_address">smtp_bind_address</a> or <a href="postconf.5.html#smtp_bind_address6">smtp_bind_address6</a> setting.
<b>SEE ALSO</b> <b>SEE ALSO</b>
@ -1131,5 +1134,5 @@ SMTP(8) SMTP(8)
Victor Duchovni Victor Duchovni
Morgan Stanley Morgan Stanley
SMTP(8) 8 SMTP,(LMTP)
</pre> </body> </html> </pre> </body> </html>

234
postfix/html/local.8.html
View File

@ -178,40 +178,42 @@ LOCAL(8) LOCAL(8)
replaced with underscores. The list of acceptable characters is speci- replaced with underscores. The list of acceptable characters is speci-
fied with the <b><a href="postconf.5.html#command_expansion_filter">command_expansion_filter</a></b> configuration parameter. fied with the <b><a href="postconf.5.html#command_expansion_filter">command_expansion_filter</a></b> configuration parameter.
<b>SHELL</b> The recipient user's login shell. <b>SHELL</b> The envelope recipient user's login shell.
<b>HOME</b> The recipient user's home directory. <b>HOME</b> The envelope recipient user's home directory.
<b>USER</b> The bare recipient name. <b>USER</b> The bare envelope recipient name.
<b>EXTENSION</b> <b>EXTENSION</b>
The optional recipient address extension. The optional envelope recipient address extension.
<b>DOMAIN</b> The recipient address domain part. <b>DOMAIN</b> The envelope recipient address domain part.
<b>LOGNAME</b> <b>LOGNAME</b>
The bare recipient name. The bare envelope recipient name.
<b>LOCAL</b> The entire recipient address localpart (text to the left of the <b>LOCAL</b> The entire envelope recipient address localpart (text to the
rightmost @ character). left of the rightmost @ character).
<b>ORIGINAL_RECIPIENT</b> <b>ORIGINAL_RECIPIENT</b>
The entire recipient address, before any address rewriting or The entire envelope recipient address, before any address
aliasing (Postfix 2.5 and later). rewriting or aliasing (Postfix 2.5 and later).
<b>RECIPIENT</b> <b>RECIPIENT</b>
The entire recipient address. The entire envelope recipient address.
<b>SENDER</b> The entire sender address. <b>SENDER</b> The entire envelope sender address.
Additional remote client information is made available via the follow- <b>ENVID</b> The optional <a href="https://tools.ietf.org/html/rfc3461">RFC 3461</a> envelope ID. Available as of Postfix 3.9.
Additional remote client information is made available via the follow-
ing environment variables: ing environment variables:
<b>CLIENT_ADDRESS</b> <b>CLIENT_ADDRESS</b>
Remote client network address. Available as of Postfix 2.2. Remote client network address. Available as of Postfix 2.2.
<b>CLIENT_HELO</b> <b>CLIENT_HELO</b>
Remote client EHLO command parameter. Available as of Postfix Remote client EHLO command parameter. Available as of Postfix
2.2. 2.2.
<b>CLIENT_HOSTNAME</b> <b>CLIENT_HOSTNAME</b>
@ -221,69 +223,69 @@ LOCAL(8) LOCAL(8)
Remote client protocol. Available as of Postfix 2.2. Remote client protocol. Available as of Postfix 2.2.
<b>SASL_METHOD</b> <b>SASL_METHOD</b>
SASL authentication method specified in the remote client AUTH SASL authentication method specified in the remote client AUTH
command. Available as of Postfix 2.2. command. Available as of Postfix 2.2.
<b>SASL_SENDER</b> <b>SASL_SENDER</b>
SASL sender address specified in the remote client MAIL FROM SASL sender address specified in the remote client MAIL FROM
command. Available as of Postfix 2.2. command. Available as of Postfix 2.2.
<b>SASL_USERNAME</b> <b>SASL_USERNAME</b>
SASL username specified in the remote client AUTH command. SASL username specified in the remote client AUTH command.
Available as of Postfix 2.2. Available as of Postfix 2.2.
The <b>PATH</b> environment variable is always reset to a system-dependent The <b>PATH</b> environment variable is always reset to a system-dependent
default path, and environment variables whose names are blessed by the default path, and environment variables whose names are blessed by the
<b><a href="postconf.5.html#export_environment">export_environment</a></b> configuration parameter are exported unchanged. <b><a href="postconf.5.html#export_environment">export_environment</a></b> configuration parameter are exported unchanged.
The current working directory is the mail queue directory. The current working directory is the mail queue directory.
The <a href="local.8.html"><b>local</b>(8)</a> daemon prepends a "<b>From</b> <i>sender time</i><b>_</b><i>stamp</i>" envelope header The <a href="local.8.html"><b>local</b>(8)</a> daemon prepends a "<b>From</b> <i>sender time</i><b>_</b><i>stamp</i>" envelope header
to each message, prepends an <b>X-Original-To:</b> header with the recipient to each message, prepends an <b>X-Original-To:</b> header with the recipient
address as given to Postfix, prepends an optional <b>Delivered-To:</b> header address as given to Postfix, prepends an optional <b>Delivered-To:</b> header
with the final recipient envelope address, prepends a <b>Return-Path:</b> with the final recipient envelope address, prepends a <b>Return-Path:</b>
header with the sender envelope address, and appends no empty line. header with the sender envelope address, and appends no empty line.
<b>EXTERNAL FILE DELIVERY</b> <b>EXTERNAL FILE DELIVERY</b>
The delivery format depends on the destination filename syntax. The The delivery format depends on the destination filename syntax. The
default is to use UNIX-style mailbox format. Specify a name ending in default is to use UNIX-style mailbox format. Specify a name ending in
<b>/</b> for <b>qmail</b>-compatible <b>maildir</b> delivery. <b>/</b> for <b>qmail</b>-compatible <b>maildir</b> delivery.
The <b><a href="postconf.5.html#allow_mail_to_files">allow_mail_to_files</a></b> configuration parameter restricts delivery to The <b><a href="postconf.5.html#allow_mail_to_files">allow_mail_to_files</a></b> configuration parameter restricts delivery to
external files. The default setting (<b>alias, forward</b>) forbids file des- external files. The default setting (<b>alias, forward</b>) forbids file des-
tinations in <b>:include:</b> files. tinations in <b>:include:</b> files.
In the case of UNIX-style mailbox delivery, the <a href="local.8.html"><b>local</b>(8)</a> daemon In the case of UNIX-style mailbox delivery, the <a href="local.8.html"><b>local</b>(8)</a> daemon
prepends a "<b>From</b> <i>sender time</i><b>_</b><i>stamp</i>" envelope header to each message, prepends a "<b>From</b> <i>sender time</i><b>_</b><i>stamp</i>" envelope header to each message,
prepends an <b>X-Original-To:</b> header with the recipient address as given prepends an <b>X-Original-To:</b> header with the recipient address as given
to Postfix, prepends an optional <b>Delivered-To:</b> header with the final to Postfix, prepends an optional <b>Delivered-To:</b> header with the final
recipient envelope address, prepends a &gt; character to lines beginning recipient envelope address, prepends a &gt; character to lines beginning
with "<b>From</b> ", and appends an empty line. The envelope sender address with "<b>From</b> ", and appends an empty line. The envelope sender address
is available in the <b>Return-Path:</b> header. When the destination is a is available in the <b>Return-Path:</b> header. When the destination is a
regular file, it is locked for exclusive access while delivery is in regular file, it is locked for exclusive access while delivery is in
progress. In case of problems, an attempt is made to truncate a regular progress. In case of problems, an attempt is made to truncate a regular
file to its original length. file to its original length.
In the case of <b>maildir</b> delivery, the local daemon prepends an optional In the case of <b>maildir</b> delivery, the local daemon prepends an optional
<b>Delivered-To:</b> header with the final envelope recipient address, and <b>Delivered-To:</b> header with the final envelope recipient address, and
prepends an <b>X-Original-To:</b> header with the recipient address as given prepends an <b>X-Original-To:</b> header with the recipient address as given
to Postfix. The envelope sender address is available in the to Postfix. The envelope sender address is available in the
<b>Return-Path:</b> header. <b>Return-Path:</b> header.
<b>ADDRESS EXTENSION</b> <b>ADDRESS EXTENSION</b>
The optional <b><a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a></b> configuration parameter specifies how The optional <b><a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a></b> configuration parameter specifies how
to separate address extensions from local recipient names. to separate address extensions from local recipient names.
For example, with "<b><a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a> = +</b>", mail for <i>name</i>+<i>foo</i> is For example, with "<b><a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a> = +</b>", mail for <i>name</i>+<i>foo</i> is
delivered to the alias <i>name</i>+<i>foo</i> or to the alias <i>name</i>, to the destina- delivered to the alias <i>name</i>+<i>foo</i> or to the alias <i>name</i>, to the destina-
tions listed in ~<i>name</i>/.<b>forward</b>+<i>foo</i> or in ~<i>name</i>/.<b>forward</b>, to the mailbox tions listed in ~<i>name</i>/.<b>forward</b>+<i>foo</i> or in ~<i>name</i>/.<b>forward</b>, to the mailbox
owned by the user <i>name</i>, or it is sent back as undeliverable. owned by the user <i>name</i>, or it is sent back as undeliverable.
<b>DELIVERY RIGHTS</b> <b>DELIVERY RIGHTS</b>
Deliveries to external files and external commands are made with the Deliveries to external files and external commands are made with the
rights of the receiving user on whose behalf the delivery is made. In rights of the receiving user on whose behalf the delivery is made. In
the absence of a user context, the <a href="local.8.html"><b>local</b>(8)</a> daemon uses the owner the absence of a user context, the <a href="local.8.html"><b>local</b>(8)</a> daemon uses the owner
rights of the <b>:include:</b> file or alias database. When those files are rights of the <b>:include:</b> file or alias database. When those files are
owned by the superuser, delivery is made with the rights specified with owned by the superuser, delivery is made with the rights specified with
the <b><a href="postconf.5.html#default_privs">default_privs</a></b> configuration parameter. the <b><a href="postconf.5.html#default_privs">default_privs</a></b> configuration parameter.
@ -292,43 +294,43 @@ LOCAL(8) LOCAL(8)
<a href="https://tools.ietf.org/html/rfc3463">RFC 3463</a> (Enhanced status codes) <a href="https://tools.ietf.org/html/rfc3463">RFC 3463</a> (Enhanced status codes)
<b>DIAGNOSTICS</b> <b>DIAGNOSTICS</b>
Problems and transactions are logged to <b>syslogd</b>(8) or <a href="postlogd.8.html"><b>postlogd</b>(8)</a>. Problems and transactions are logged to <b>syslogd</b>(8) or <a href="postlogd.8.html"><b>postlogd</b>(8)</a>.
Corrupted message files are marked so that the queue manager can move Corrupted message files are marked so that the queue manager can move
them to the <b>corrupt</b> queue afterwards. them to the <b>corrupt</b> queue afterwards.
Depending on the setting of the <b><a href="postconf.5.html#notify_classes">notify_classes</a></b> parameter, the postmas- Depending on the setting of the <b><a href="postconf.5.html#notify_classes">notify_classes</a></b> parameter, the postmas-
ter is notified of bounces and of other trouble. ter is notified of bounces and of other trouble.
<b>SECURITY</b> <b>SECURITY</b>
The <a href="local.8.html"><b>local</b>(8)</a> delivery agent needs a dual personality 1) to access the The <a href="local.8.html"><b>local</b>(8)</a> delivery agent needs a dual personality 1) to access the
private Postfix queue and IPC mechanisms, 2) to impersonate the recipi- private Postfix queue and IPC mechanisms, 2) to impersonate the recipi-
ent and deliver to recipient-specified files or commands. It is there- ent and deliver to recipient-specified files or commands. It is there-
fore security sensitive. fore security sensitive.
The <a href="local.8.html"><b>local</b>(8)</a> delivery agent disallows regular expression substitution The <a href="local.8.html"><b>local</b>(8)</a> delivery agent disallows regular expression substitution
of $1 etc. in <b><a href="postconf.5.html#alias_maps">alias_maps</a></b>, because that would open a security hole. of $1 etc. in <b><a href="postconf.5.html#alias_maps">alias_maps</a></b>, because that would open a security hole.
The <a href="local.8.html"><b>local</b>(8)</a> delivery agent will silently ignore requests to use the The <a href="local.8.html"><b>local</b>(8)</a> delivery agent will silently ignore requests to use the
<a href="proxymap.8.html"><b>proxymap</b>(8)</a> server within <b><a href="postconf.5.html#alias_maps">alias_maps</a></b>. Instead it will open the table <a href="proxymap.8.html"><b>proxymap</b>(8)</a> server within <b><a href="postconf.5.html#alias_maps">alias_maps</a></b>. Instead it will open the table
directly. Before Postfix version 2.2, the <a href="local.8.html"><b>local</b>(8)</a> delivery agent will directly. Before Postfix version 2.2, the <a href="local.8.html"><b>local</b>(8)</a> delivery agent will
terminate with a fatal error. terminate with a fatal error.
<b>BUGS</b> <b>BUGS</b>
For security reasons, the message delivery status of external commands For security reasons, the message delivery status of external commands
or of external files is never checkpointed to file. As a result, the or of external files is never checkpointed to file. As a result, the
program may occasionally deliver more than once to a command or exter- program may occasionally deliver more than once to a command or exter-
nal file. Better safe than sorry. nal file. Better safe than sorry.
Mutually-recursive aliases or ~/.<b>forward</b> files are not detected early. Mutually-recursive aliases or ~/.<b>forward</b> files are not detected early.
The resulting mail forwarding loop is broken by the use of the <b>Deliv-</b> The resulting mail forwarding loop is broken by the use of the <b>Deliv-</b>
<b>ered-To:</b> message header. <b>ered-To:</b> message header.
<b>CONFIGURATION PARAMETERS</b> <b>CONFIGURATION PARAMETERS</b>
Changes to <a href="postconf.5.html"><b>main.cf</b></a> are picked up automatically, as <a href="local.8.html"><b>local</b>(8)</a> processes Changes to <a href="postconf.5.html"><b>main.cf</b></a> are picked up automatically, as <a href="local.8.html"><b>local</b>(8)</a> processes
run for only a limited amount of time. Use the command "<b>postfix reload</b>" run for only a limited amount of time. Use the command "<b>postfix reload</b>"
to speed up a change. to speed up a change.
The text below provides only a parameter summary. See <a href="postconf.5.html"><b>postconf</b>(5)</a> for The text below provides only a parameter summary. See <a href="postconf.5.html"><b>postconf</b>(5)</a> for
more details including examples. more details including examples.
<b>COMPATIBILITY CONTROLS</b> <b>COMPATIBILITY CONTROLS</b>
@ -336,14 +338,14 @@ LOCAL(8) LOCAL(8)
Whether or not to use the local <a href="postconf.5.html#biff">biff</a> service. Whether or not to use the local <a href="postconf.5.html#biff">biff</a> service.
<b><a href="postconf.5.html#expand_owner_alias">expand_owner_alias</a> (no)</b> <b><a href="postconf.5.html#expand_owner_alias">expand_owner_alias</a> (no)</b>
When delivering to an alias "<i>aliasname</i>" that has an When delivering to an alias "<i>aliasname</i>" that has an
"owner-<i>aliasname</i>" companion alias, set the envelope sender "owner-<i>aliasname</i>" companion alias, set the envelope sender
address to the expansion of the "owner-<i>aliasname</i>" alias. address to the expansion of the "owner-<i>aliasname</i>" alias.
<b><a href="postconf.5.html#owner_request_special">owner_request_special</a> (yes)</b> <b><a href="postconf.5.html#owner_request_special">owner_request_special</a> (yes)</b>
Enable special treatment for owner-<i>listname</i> entries in the Enable special treatment for owner-<i>listname</i> entries in the
<a href="aliases.5.html"><b>aliases</b>(5)</a> file, and don't split owner-<i>listname</i> and <i>list-</i> <a href="aliases.5.html"><b>aliases</b>(5)</a> file, and don't split owner-<i>listname</i> and <i>list-</i>
<i>name</i>-request address localparts when the <a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a> is <i>name</i>-request address localparts when the <a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a> is
set to "-". set to "-".
<b><a href="postconf.5.html#sun_mailtool_compatibility">sun_mailtool_compatibility</a> (no)</b> <b><a href="postconf.5.html#sun_mailtool_compatibility">sun_mailtool_compatibility</a> (no)</b>
@ -352,64 +354,64 @@ LOCAL(8) LOCAL(8)
Available in Postfix version 2.3 and later: Available in Postfix version 2.3 and later:
<b><a href="postconf.5.html#frozen_delivered_to">frozen_delivered_to</a> (yes)</b> <b><a href="postconf.5.html#frozen_delivered_to">frozen_delivered_to</a> (yes)</b>
Update the <a href="local.8.html"><b>local</b>(8)</a> delivery agent's idea of the Delivered-To: Update the <a href="local.8.html"><b>local</b>(8)</a> delivery agent's idea of the Delivered-To:
address (see <a href="postconf.5.html#prepend_delivered_header">prepend_delivered_header</a>) only once, at the start address (see <a href="postconf.5.html#prepend_delivered_header">prepend_delivered_header</a>) only once, at the start
of a delivery attempt; do not update the Delivered-To: address of a delivery attempt; do not update the Delivered-To: address
while expanding aliases or .forward files. while expanding aliases or .forward files.
Available in Postfix version 2.5.3 and later: Available in Postfix version 2.5.3 and later:
<b><a href="postconf.5.html#strict_mailbox_ownership">strict_mailbox_ownership</a> (yes)</b> <b><a href="postconf.5.html#strict_mailbox_ownership">strict_mailbox_ownership</a> (yes)</b>
Defer delivery when a mailbox file is not owned by its recipi- Defer delivery when a mailbox file is not owned by its recipi-
ent. ent.
<b><a href="postconf.5.html#reset_owner_alias">reset_owner_alias</a> (no)</b> <b><a href="postconf.5.html#reset_owner_alias">reset_owner_alias</a> (no)</b>
Reset the <a href="local.8.html"><b>local</b>(8)</a> delivery agent's idea of the owner-alias Reset the <a href="local.8.html"><b>local</b>(8)</a> delivery agent's idea of the owner-alias
attribute, when delivering mail to a child alias that does not attribute, when delivering mail to a child alias that does not
have its own owner alias. have its own owner alias.
Available in Postfix version 3.0 and later: Available in Postfix version 3.0 and later:
<b><a href="postconf.5.html#local_delivery_status_filter">local_delivery_status_filter</a> ($<a href="postconf.5.html#default_delivery_status_filter">default_delivery_status_filter</a>)</b> <b><a href="postconf.5.html#local_delivery_status_filter">local_delivery_status_filter</a> ($<a href="postconf.5.html#default_delivery_status_filter">default_delivery_status_filter</a>)</b>
Optional filter for the <a href="local.8.html"><b>local</b>(8)</a> delivery agent to change the Optional filter for the <a href="local.8.html"><b>local</b>(8)</a> delivery agent to change the
status code or explanatory text of successful or unsuccessful status code or explanatory text of successful or unsuccessful
deliveries. deliveries.
<b>DELIVERY METHOD CONTROLS</b> <b>DELIVERY METHOD CONTROLS</b>
The precedence of <a href="local.8.html"><b>local</b>(8)</a> delivery methods from high to low is: The precedence of <a href="local.8.html"><b>local</b>(8)</a> delivery methods from high to low is:
aliases, .forward files, <a href="postconf.5.html#mailbox_transport_maps">mailbox_transport_maps</a>, <a href="postconf.5.html#mailbox_transport">mailbox_transport</a>, aliases, .forward files, <a href="postconf.5.html#mailbox_transport_maps">mailbox_transport_maps</a>, <a href="postconf.5.html#mailbox_transport">mailbox_transport</a>,
<a href="postconf.5.html#mailbox_command_maps">mailbox_command_maps</a>, <a href="postconf.5.html#mailbox_command">mailbox_command</a>, <a href="postconf.5.html#home_mailbox">home_mailbox</a>, <a href="postconf.5.html#mail_spool_directory">mail_spool_direc</a>- <a href="postconf.5.html#mailbox_command_maps">mailbox_command_maps</a>, <a href="postconf.5.html#mailbox_command">mailbox_command</a>, <a href="postconf.5.html#home_mailbox">home_mailbox</a>, <a href="postconf.5.html#mail_spool_directory">mail_spool_direc</a>-
<a href="postconf.5.html#mail_spool_directory">tory</a>, <a href="postconf.5.html#fallback_transport_maps">fallback_transport_maps</a>, <a href="postconf.5.html#fallback_transport">fallback_transport</a>, and <a href="postconf.5.html#luser_relay">luser_relay</a>. <a href="postconf.5.html#mail_spool_directory">tory</a>, <a href="postconf.5.html#fallback_transport_maps">fallback_transport_maps</a>, <a href="postconf.5.html#fallback_transport">fallback_transport</a>, and <a href="postconf.5.html#luser_relay">luser_relay</a>.
<b><a href="postconf.5.html#alias_maps">alias_maps</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#alias_maps">alias_maps</a> (see 'postconf -d' output)</b>
Optional lookup tables with aliases that apply only to <a href="local.8.html"><b>local</b>(8)</a> Optional lookup tables with aliases that apply only to <a href="local.8.html"><b>local</b>(8)</a>
recipients; this is unlike <a href="postconf.5.html#virtual_alias_maps">virtual_alias_maps</a> that apply to all recipients; this is unlike <a href="postconf.5.html#virtual_alias_maps">virtual_alias_maps</a> that apply to all
recipients: <a href="local.8.html"><b>local</b>(8)</a>, virtual, and remote. recipients: <a href="local.8.html"><b>local</b>(8)</a>, virtual, and remote.
<b><a href="postconf.5.html#forward_path">forward_path</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#forward_path">forward_path</a> (see 'postconf -d' output)</b>
The <a href="local.8.html"><b>local</b>(8)</a> delivery agent search list for finding a .forward The <a href="local.8.html"><b>local</b>(8)</a> delivery agent search list for finding a .forward
file with user-specified delivery methods. file with user-specified delivery methods.
<b><a href="postconf.5.html#mailbox_transport_maps">mailbox_transport_maps</a> (empty)</b> <b><a href="postconf.5.html#mailbox_transport_maps">mailbox_transport_maps</a> (empty)</b>
Optional lookup tables with per-recipient message delivery Optional lookup tables with per-recipient message delivery
transports to use for <a href="local.8.html"><b>local</b>(8)</a> mailbox delivery, whether or not transports to use for <a href="local.8.html"><b>local</b>(8)</a> mailbox delivery, whether or not
the recipients are found in the UNIX passwd database. the recipients are found in the UNIX passwd database.
<b><a href="postconf.5.html#mailbox_transport">mailbox_transport</a> (empty)</b> <b><a href="postconf.5.html#mailbox_transport">mailbox_transport</a> (empty)</b>
Optional message delivery transport that the <a href="local.8.html"><b>local</b>(8)</a> delivery Optional message delivery transport that the <a href="local.8.html"><b>local</b>(8)</a> delivery
agent should use for mailbox delivery to all local recipients, agent should use for mailbox delivery to all local recipients,
whether or not they are found in the UNIX passwd database. whether or not they are found in the UNIX passwd database.
<b><a href="postconf.5.html#mailbox_command_maps">mailbox_command_maps</a> (empty)</b> <b><a href="postconf.5.html#mailbox_command_maps">mailbox_command_maps</a> (empty)</b>
Optional lookup tables with per-recipient external commands to Optional lookup tables with per-recipient external commands to
use for <a href="local.8.html"><b>local</b>(8)</a> mailbox delivery. use for <a href="local.8.html"><b>local</b>(8)</a> mailbox delivery.
<b><a href="postconf.5.html#mailbox_command">mailbox_command</a> (empty)</b> <b><a href="postconf.5.html#mailbox_command">mailbox_command</a> (empty)</b>
Optional external command that the <a href="local.8.html"><b>local</b>(8)</a> delivery agent Optional external command that the <a href="local.8.html"><b>local</b>(8)</a> delivery agent
should use for mailbox delivery. should use for mailbox delivery.
<b><a href="postconf.5.html#home_mailbox">home_mailbox</a> (empty)</b> <b><a href="postconf.5.html#home_mailbox">home_mailbox</a> (empty)</b>
Optional pathname of a mailbox file relative to a <a href="local.8.html"><b>local</b>(8)</a> Optional pathname of a mailbox file relative to a <a href="local.8.html"><b>local</b>(8)</a>
user's home directory. user's home directory.
<b><a href="postconf.5.html#mail_spool_directory">mail_spool_directory</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#mail_spool_directory">mail_spool_directory</a> (see 'postconf -d' output)</b>
@ -421,17 +423,17 @@ LOCAL(8) LOCAL(8)
not find in the <a href="aliases.5.html"><b>aliases</b>(5)</a> or UNIX password database. not find in the <a href="aliases.5.html"><b>aliases</b>(5)</a> or UNIX password database.
<b><a href="postconf.5.html#fallback_transport">fallback_transport</a> (empty)</b> <b><a href="postconf.5.html#fallback_transport">fallback_transport</a> (empty)</b>
Optional message delivery transport that the <a href="local.8.html"><b>local</b>(8)</a> delivery Optional message delivery transport that the <a href="local.8.html"><b>local</b>(8)</a> delivery
agent should use for names that are not found in the <a href="aliases.5.html"><b>aliases</b>(5)</a> agent should use for names that are not found in the <a href="aliases.5.html"><b>aliases</b>(5)</a>
or UNIX password database. or UNIX password database.
<b><a href="postconf.5.html#luser_relay">luser_relay</a> (empty)</b> <b><a href="postconf.5.html#luser_relay">luser_relay</a> (empty)</b>
Optional catch-all destination for unknown <a href="local.8.html"><b>local</b>(8)</a> recipients. Optional catch-all destination for unknown <a href="local.8.html"><b>local</b>(8)</a> recipients.
Available in Postfix version 2.2 and later: Available in Postfix version 2.2 and later:
<b><a href="postconf.5.html#command_execution_directory">command_execution_directory</a> (empty)</b> <b><a href="postconf.5.html#command_execution_directory">command_execution_directory</a> (empty)</b>
The <a href="local.8.html"><b>local</b>(8)</a> delivery agent working directory for delivery to The <a href="local.8.html"><b>local</b>(8)</a> delivery agent working directory for delivery to
external commands. external commands.
<b>MAILBOX LOCKING CONTROLS</b> <b>MAILBOX LOCKING CONTROLS</b>
@ -440,15 +442,15 @@ LOCAL(8) LOCAL(8)
mailbox file or <a href="bounce.8.html"><b>bounce</b>(8)</a> logfile. mailbox file or <a href="bounce.8.html"><b>bounce</b>(8)</a> logfile.
<b><a href="postconf.5.html#deliver_lock_delay">deliver_lock_delay</a> (1s)</b> <b><a href="postconf.5.html#deliver_lock_delay">deliver_lock_delay</a> (1s)</b>
The time between attempts to acquire an exclusive lock on a The time between attempts to acquire an exclusive lock on a
mailbox file or <a href="bounce.8.html"><b>bounce</b>(8)</a> logfile. mailbox file or <a href="bounce.8.html"><b>bounce</b>(8)</a> logfile.
<b><a href="postconf.5.html#stale_lock_time">stale_lock_time</a> (500s)</b> <b><a href="postconf.5.html#stale_lock_time">stale_lock_time</a> (500s)</b>
The time after which a stale exclusive mailbox lockfile is The time after which a stale exclusive mailbox lockfile is
removed. removed.
<b><a href="postconf.5.html#mailbox_delivery_lock">mailbox_delivery_lock</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#mailbox_delivery_lock">mailbox_delivery_lock</a> (see 'postconf -d' output)</b>
How to lock a UNIX-style <a href="local.8.html"><b>local</b>(8)</a> mailbox before attempting How to lock a UNIX-style <a href="local.8.html"><b>local</b>(8)</a> mailbox before attempting
delivery. delivery.
<b>RESOURCE AND RATE CONTROLS</b> <b>RESOURCE AND RATE CONTROLS</b>
@ -461,20 +463,20 @@ LOCAL(8) LOCAL(8)
<a href="showq.8.html"><b>showq</b>(8)</a> queue displays. <a href="showq.8.html"><b>showq</b>(8)</a> queue displays.
<b><a href="postconf.5.html#mailbox_size_limit">mailbox_size_limit</a> (51200000)</b> <b><a href="postconf.5.html#mailbox_size_limit">mailbox_size_limit</a> (51200000)</b>
The maximal size of any <a href="local.8.html"><b>local</b>(8)</a> individual mailbox or maildir The maximal size of any <a href="local.8.html"><b>local</b>(8)</a> individual mailbox or maildir
file, or zero (no limit). file, or zero (no limit).
Implemented in the <a href="qmgr.8.html">qmgr(8)</a> daemon: Implemented in the <a href="qmgr.8.html">qmgr(8)</a> daemon:
<b><a href="postconf.5.html#local_destination_concurrency_limit">local_destination_concurrency_limit</a> (2)</b> <b><a href="postconf.5.html#local_destination_concurrency_limit">local_destination_concurrency_limit</a> (2)</b>
The maximal number of parallel deliveries via the local mail The maximal number of parallel deliveries via the local mail
delivery transport to the same recipient (when "<a href="postconf.5.html#local_destination_recipient_limit">local_destina</a>- delivery transport to the same recipient (when "<a href="postconf.5.html#local_destination_recipient_limit">local_destina</a>-
<a href="postconf.5.html#local_destination_recipient_limit">tion_recipient_limit</a> = 1") or the maximal number of parallel <a href="postconf.5.html#local_destination_recipient_limit">tion_recipient_limit</a> = 1") or the maximal number of parallel
deliveries to the same local domain (when "<a href="postconf.5.html#local_destination_recipient_limit">local_destina</a>- deliveries to the same local domain (when "<a href="postconf.5.html#local_destination_recipient_limit">local_destina</a>-
<a href="postconf.5.html#local_destination_recipient_limit">tion_recipient_limit</a> &gt; 1"). <a href="postconf.5.html#local_destination_recipient_limit">tion_recipient_limit</a> &gt; 1").
<b><a href="postconf.5.html#local_destination_recipient_limit">local_destination_recipient_limit</a> (1)</b> <b><a href="postconf.5.html#local_destination_recipient_limit">local_destination_recipient_limit</a> (1)</b>
The maximal number of recipients per message delivery via the The maximal number of recipients per message delivery via the
local mail delivery transport. local mail delivery transport.
<b>SECURITY CONTROLS</b> <b>SECURITY CONTROLS</b>
@ -485,49 +487,49 @@ LOCAL(8) LOCAL(8)
Restrict <a href="local.8.html"><b>local</b>(8)</a> mail delivery to external files. Restrict <a href="local.8.html"><b>local</b>(8)</a> mail delivery to external files.
<b><a href="postconf.5.html#command_expansion_filter">command_expansion_filter</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#command_expansion_filter">command_expansion_filter</a> (see 'postconf -d' output)</b>
Restrict the characters that the <a href="local.8.html"><b>local</b>(8)</a> delivery agent allows Restrict the characters that the <a href="local.8.html"><b>local</b>(8)</a> delivery agent allows
in $name expansions of $<a href="postconf.5.html#mailbox_command">mailbox_command</a> and $<a href="postconf.5.html#command_execution_directory">command_execu</a>- in $name expansions of $<a href="postconf.5.html#mailbox_command">mailbox_command</a> and $<a href="postconf.5.html#command_execution_directory">command_execu</a>-
<a href="postconf.5.html#command_execution_directory">tion_directory</a>. <a href="postconf.5.html#command_execution_directory">tion_directory</a>.
<b><a href="postconf.5.html#default_privs">default_privs</a> (nobody)</b> <b><a href="postconf.5.html#default_privs">default_privs</a> (nobody)</b>
The default rights used by the <a href="local.8.html"><b>local</b>(8)</a> delivery agent for The default rights used by the <a href="local.8.html"><b>local</b>(8)</a> delivery agent for
delivery to an external file or command. delivery to an external file or command.
<b><a href="postconf.5.html#forward_expansion_filter">forward_expansion_filter</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#forward_expansion_filter">forward_expansion_filter</a> (see 'postconf -d' output)</b>
Restrict the characters that the <a href="local.8.html"><b>local</b>(8)</a> delivery agent allows Restrict the characters that the <a href="local.8.html"><b>local</b>(8)</a> delivery agent allows
in $name expansions of $<a href="postconf.5.html#forward_path">forward_path</a>. in $name expansions of $<a href="postconf.5.html#forward_path">forward_path</a>.
Available in Postfix version 2.2 and later: Available in Postfix version 2.2 and later:
<b><a href="postconf.5.html#execution_directory_expansion_filter">execution_directory_expansion_filter</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#execution_directory_expansion_filter">execution_directory_expansion_filter</a> (see 'postconf -d' output)</b>
Restrict the characters that the <a href="local.8.html"><b>local</b>(8)</a> delivery agent allows Restrict the characters that the <a href="local.8.html"><b>local</b>(8)</a> delivery agent allows
in $name expansions of $<a href="postconf.5.html#command_execution_directory">command_execution_directory</a>. in $name expansions of $<a href="postconf.5.html#command_execution_directory">command_execution_directory</a>.
Available in Postfix version 2.5.3 and later: Available in Postfix version 2.5.3 and later:
<b><a href="postconf.5.html#strict_mailbox_ownership">strict_mailbox_ownership</a> (yes)</b> <b><a href="postconf.5.html#strict_mailbox_ownership">strict_mailbox_ownership</a> (yes)</b>
Defer delivery when a mailbox file is not owned by its recipi- Defer delivery when a mailbox file is not owned by its recipi-
ent. ent.
<b>MISCELLANEOUS CONTROLS</b> <b>MISCELLANEOUS CONTROLS</b>
<b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b>
The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con- The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con-
figuration files. figuration files.
<b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b> <b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b>
How much time a Postfix daemon process may take to handle a How much time a Postfix daemon process may take to handle a
request before it is terminated by a built-in watchdog timer. request before it is terminated by a built-in watchdog timer.
<b><a href="postconf.5.html#delay_logging_resolution_limit">delay_logging_resolution_limit</a> (2)</b> <b><a href="postconf.5.html#delay_logging_resolution_limit">delay_logging_resolution_limit</a> (2)</b>
The maximal number of digits after the decimal point when log- The maximal number of digits after the decimal point when log-
ging sub-second delay values. ging sub-second delay values.
<b><a href="postconf.5.html#export_environment">export_environment</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#export_environment">export_environment</a> (see 'postconf -d' output)</b>
The list of environment variables that a Postfix process will The list of environment variables that a Postfix process will
export to non-Postfix processes. export to non-Postfix processes.
<b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b> <b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b>
The time limit for sending or receiving information over an The time limit for sending or receiving information over an
internal communication channel. internal communication channel.
<b><a href="postconf.5.html#local_command_shell">local_command_shell</a> (empty)</b> <b><a href="postconf.5.html#local_command_shell">local_command_shell</a> (empty)</b>
@ -535,7 +537,7 @@ LOCAL(8) LOCAL(8)
mands. mands.
<b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b> <b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b>
The maximum amount of time that an idle Postfix daemon process The maximum amount of time that an idle Postfix daemon process
waits for an incoming connection before terminating voluntarily. waits for an incoming connection before terminating voluntarily.
<b><a href="postconf.5.html#max_use">max_use</a> (100)</b> <b><a href="postconf.5.html#max_use">max_use</a> (100)</b>
@ -543,8 +545,8 @@ LOCAL(8) LOCAL(8)
process will service before terminating voluntarily. process will service before terminating voluntarily.
<b><a href="postconf.5.html#prepend_delivered_header">prepend_delivered_header</a> (command, file, forward)</b> <b><a href="postconf.5.html#prepend_delivered_header">prepend_delivered_header</a> (command, file, forward)</b>
The message delivery contexts where the Postfix <a href="local.8.html"><b>local</b>(8)</a> deliv- The message delivery contexts where the Postfix <a href="local.8.html"><b>local</b>(8)</a> deliv-
ery agent prepends a Delivered-To: message header with the ery agent prepends a Delivered-To: message header with the
address that the mail was delivered to. address that the mail was delivered to.
<b><a href="postconf.5.html#process_id">process_id</a> (read-only)</b> <b><a href="postconf.5.html#process_id">process_id</a> (read-only)</b>
@ -554,14 +556,14 @@ LOCAL(8) LOCAL(8)
The process name of a Postfix command or daemon process. The process name of a Postfix command or daemon process.
<b><a href="postconf.5.html#propagate_unmatched_extensions">propagate_unmatched_extensions</a> (canonical, virtual)</b> <b><a href="postconf.5.html#propagate_unmatched_extensions">propagate_unmatched_extensions</a> (canonical, virtual)</b>
What address lookup tables copy an address extension from the What address lookup tables copy an address extension from the
lookup key to the lookup result. lookup key to the lookup result.
<b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b>
The location of the Postfix top-level queue directory. The location of the Postfix top-level queue directory.
<b><a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a> (empty)</b> <b><a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a> (empty)</b>
The set of characters that can separate an email address local- The set of characters that can separate an email address local-
part, user name, or a .forward file name from its extension. part, user name, or a .forward file name from its extension.
<b><a href="postconf.5.html#require_home_directory">require_home_directory</a> (no)</b> <b><a href="postconf.5.html#require_home_directory">require_home_directory</a> (no)</b>
@ -572,14 +574,14 @@ LOCAL(8) LOCAL(8)
The syslog facility of Postfix logging. The syslog facility of Postfix logging.
<b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b>
A prefix that is prepended to the process name in syslog A prefix that is prepended to the process name in syslog
records, so that, for example, "smtpd" becomes "prefix/smtpd". records, so that, for example, "smtpd" becomes "prefix/smtpd".
Available in Postfix version 3.3 and later: Available in Postfix version 3.3 and later:
<b><a href="postconf.5.html#enable_original_recipient">enable_original_recipient</a> (yes)</b> <b><a href="postconf.5.html#enable_original_recipient">enable_original_recipient</a> (yes)</b>
Enable support for the original recipient address after an Enable support for the original recipient address after an
address is rewritten to a different address (for example with address is rewritten to a different address (for example with
aliasing or with canonical mapping). aliasing or with canonical mapping).
<b><a href="postconf.5.html#service_name">service_name</a> (read-only)</b> <b><a href="postconf.5.html#service_name">service_name</a> (read-only)</b>
@ -588,7 +590,7 @@ LOCAL(8) LOCAL(8)
Available in Postfix 3.5 and later: Available in Postfix 3.5 and later:
<b><a href="postconf.5.html#info_log_address_format">info_log_address_format</a> (external)</b> <b><a href="postconf.5.html#info_log_address_format">info_log_address_format</a> (external)</b>
The email address form that will be used in non-debug logging The email address form that will be used in non-debug logging
(info, warning, etc.). (info, warning, etc.).
<b>FILES</b> <b>FILES</b>
@ -612,10 +614,10 @@ LOCAL(8) LOCAL(8)
The Secure Mailer license must be distributed with this software. The Secure Mailer license must be distributed with this software.
<b>HISTORY</b> <b>HISTORY</b>
The <b>Delivered-To:</b> message header appears in the <b>qmail</b> system by Daniel The <b>Delivered-To:</b> message header appears in the <b>qmail</b> system by Daniel
Bernstein. Bernstein.
The <i>maildir</i> structure appears in the <b>qmail</b> system by Daniel Bernstein. The <i>maildir</i> structure appears in the <b>qmail</b> system by Daniel Bernstein.
<b>AUTHOR(S)</b> <b>AUTHOR(S)</b>
Wietse Venema Wietse Venema

106
postfix/html/pipe.8.html
View File

@ -242,13 +242,19 @@ PIPE(8) PIPE(8)
This feature is available as of Postfix 2.5. This feature is available as of Postfix 2.5.
<b>${envid}</b>
This macro expands to the <a href="https://tools.ietf.org/html/rfc3461">RFC 3461</a> envelope ID if avail-
able, otherwise the empty string.
This feature is available as of Postfix 3.9.
<b>${extension}</b> <b>${extension}</b>
This macro expands to the extension part of a recipient This macro expands to the extension part of a recipient
address. For example, with an address <i>user+foo@domain</i> address. For example, with an address <i>user+foo@domain</i>
the extension is <i>foo</i>. the extension is <i>foo</i>.
A command-line argument that contains <b>${extension}</b> A command-line argument that contains <b>${extension}</b>
expands into as many command-line arguments as there are expands into as many command-line arguments as there are
recipients. recipients.
This information is modified by the <b>u</b> flag for case fold- This information is modified by the <b>u</b> flag for case fold-
@ -256,11 +262,11 @@ PIPE(8) PIPE(8)
<b>${mailbox}</b> <b>${mailbox}</b>
This macro expands to the complete local part of a recip- This macro expands to the complete local part of a recip-
ient address. For example, with an address ient address. For example, with an address
<i>user+foo@domain</i> the mailbox is <i>user+foo</i>. <i>user+foo@domain</i> the mailbox is <i>user+foo</i>.
A command-line argument that contains <b>${mailbox}</b> expands A command-line argument that contains <b>${mailbox}</b> expands
to as many command-line arguments as there are recipi- to as many command-line arguments as there are recipi-
ents. ents.
This information is modified by the <b>u</b> flag for case fold- This information is modified by the <b>u</b> flag for case fold-
@ -273,11 +279,11 @@ PIPE(8) PIPE(8)
ing. ing.
<b>${original_recipient}</b> <b>${original_recipient}</b>
This macro expands to the complete recipient address This macro expands to the complete recipient address
before any address rewriting or aliasing. before any address rewriting or aliasing.
A command-line argument that contains <b>${original_recipi-</b> A command-line argument that contains <b>${original_recipi-</b>
<b>ent}</b> expands to as many command-line arguments as there <b>ent}</b> expands to as many command-line arguments as there
are recipients. are recipients.
This information is modified by the <b>hqu</b> flags for quoting This information is modified by the <b>hqu</b> flags for quoting
@ -293,8 +299,8 @@ PIPE(8) PIPE(8)
<b>${recipient}</b> <b>${recipient}</b>
This macro expands to the complete recipient address. This macro expands to the complete recipient address.
A command-line argument that contains <b>${recipient}</b> A command-line argument that contains <b>${recipient}</b>
expands to as many command-line arguments as there are expands to as many command-line arguments as there are
recipients. recipients.
This information is modified by the <b>hqu</b> flags for quoting This information is modified by the <b>hqu</b> flags for quoting
@ -302,13 +308,13 @@ PIPE(8) PIPE(8)
<b>${sasl_method}</b> <b>${sasl_method}</b>
This macro expands to the name of the SASL authentication This macro expands to the name of the SASL authentication
mechanism in the AUTH command when the Postfix SMTP mechanism in the AUTH command when the Postfix SMTP
server received the message. server received the message.
This feature is available as of Postfix 2.2. This feature is available as of Postfix 2.2.
<b>${sasl_sender}</b> <b>${sasl_sender}</b>
This macro expands to the SASL sender name (i.e. the This macro expands to the SASL sender name (i.e. the
original submitter as per <a href="https://tools.ietf.org/html/rfc4954">RFC 4954</a>) in the MAIL FROM com- original submitter as per <a href="https://tools.ietf.org/html/rfc4954">RFC 4954</a>) in the MAIL FROM com-
mand when the Postfix SMTP server received the message. mand when the Postfix SMTP server received the message.
@ -321,25 +327,25 @@ PIPE(8) PIPE(8)
This feature is available as of Postfix 2.2. This feature is available as of Postfix 2.2.
<b>${sender}</b> <b>${sender}</b>
This macro expands to the envelope sender address. By This macro expands to the envelope sender address. By
default, the null sender address expands to MAILER-DAE- default, the null sender address expands to MAILER-DAE-
MON; this can be changed with the <b>null_sender</b> attribute, MON; this can be changed with the <b>null_sender</b> attribute,
as described above. as described above.
This information is modified by the <b>q</b> flag for quoting. This information is modified by the <b>q</b> flag for quoting.
<b>${size}</b> <b>${size}</b>
This macro expands to Postfix's idea of the message size, This macro expands to Postfix's idea of the message size,
which is an approximation of the size of the message as which is an approximation of the size of the message as
delivered. delivered.
<b>${user}</b> <b>${user}</b>
This macro expands to the username part of a recipient This macro expands to the username part of a recipient
address. For example, with an address <i>user+foo@domain</i> address. For example, with an address <i>user+foo@domain</i>
the username part is <i>user</i>. the username part is <i>user</i>.
A command-line argument that contains <b>${user}</b> expands A command-line argument that contains <b>${user}</b> expands
into as many command-line arguments as there are recipi- into as many command-line arguments as there are recipi-
ents. ents.
This information is modified by the <b>u</b> flag for case fold- This information is modified by the <b>u</b> flag for case fold-
@ -349,36 +355,36 @@ PIPE(8) PIPE(8)
<a href="https://tools.ietf.org/html/rfc3463">RFC 3463</a> (Enhanced status codes) <a href="https://tools.ietf.org/html/rfc3463">RFC 3463</a> (Enhanced status codes)
<b>DIAGNOSTICS</b> <b>DIAGNOSTICS</b>
Command exit status codes are expected to follow the conventions Command exit status codes are expected to follow the conventions
defined in &lt;<b>sysexits.h</b>&gt;. Exit status 0 means normal successful comple- defined in &lt;<b>sysexits.h</b>&gt;. Exit status 0 means normal successful comple-
tion. tion.
In the case of a non-zero exit status, a limited amount of command out- In the case of a non-zero exit status, a limited amount of command out-
put is logged, and reported in a delivery status notification. When put is logged, and reported in a delivery status notification. When
the output begins with a 4.X.X or 5.X.X enhanced status code, the sta- the output begins with a 4.X.X or 5.X.X enhanced status code, the sta-
tus code takes precedence over the non-zero exit status (Postfix ver- tus code takes precedence over the non-zero exit status (Postfix ver-
sion 2.3 and later). sion 2.3 and later).
After successful delivery (zero exit status) a limited amount of com- After successful delivery (zero exit status) a limited amount of com-
mand output is logged, and reported in "success" delivery status noti- mand output is logged, and reported in "success" delivery status noti-
fications (Postfix 3.0 and later). This command output is not examined fications (Postfix 3.0 and later). This command output is not examined
for the presence of an enhanced status code. for the presence of an enhanced status code.
Problems and transactions are logged to <b>syslogd</b>(8) or <a href="postlogd.8.html"><b>postlogd</b>(8)</a>. Problems and transactions are logged to <b>syslogd</b>(8) or <a href="postlogd.8.html"><b>postlogd</b>(8)</a>.
Corrupted message files are marked so that the queue manager can move Corrupted message files are marked so that the queue manager can move
them to the <b>corrupt</b> queue for further inspection. them to the <b>corrupt</b> queue for further inspection.
<b>SECURITY</b> <b>SECURITY</b>
This program needs a dual personality 1) to access the private Postfix This program needs a dual personality 1) to access the private Postfix
queue and IPC mechanisms, and 2) to execute external commands as the queue and IPC mechanisms, and 2) to execute external commands as the
specified user. It is therefore security sensitive. specified user. It is therefore security sensitive.
<b>CONFIGURATION PARAMETERS</b> <b>CONFIGURATION PARAMETERS</b>
Changes to <a href="postconf.5.html"><b>main.cf</b></a> are picked up automatically as <a href="pipe.8.html"><b>pipe</b>(8)</a> processes run Changes to <a href="postconf.5.html"><b>main.cf</b></a> are picked up automatically as <a href="pipe.8.html"><b>pipe</b>(8)</a> processes run
for only a limited amount of time. Use the command "<b>postfix reload</b>" to for only a limited amount of time. Use the command "<b>postfix reload</b>" to
speed up a change. speed up a change.
The text below provides only a parameter summary. See <a href="postconf.5.html"><b>postconf</b>(5)</a> for The text below provides only a parameter summary. See <a href="postconf.5.html"><b>postconf</b>(5)</a> for
more details including examples. more details including examples.
<b>RESOURCE AND RATE CONTROLS</b> <b>RESOURCE AND RATE CONTROLS</b>
@ -386,50 +392,50 @@ PIPE(8) PIPE(8)
<b><a href="postconf.5.html#transport_time_limit">transport_time_limit</a> ($<a href="postconf.5.html#command_time_limit">command_time_limit</a>)</b> <b><a href="postconf.5.html#transport_time_limit">transport_time_limit</a> ($<a href="postconf.5.html#command_time_limit">command_time_limit</a>)</b>
A transport-specific override for the <a href="postconf.5.html#command_time_limit">command_time_limit</a> parame- A transport-specific override for the <a href="postconf.5.html#command_time_limit">command_time_limit</a> parame-
ter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a> name of the message ter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a> name of the message
delivery transport. delivery transport.
Implemented in the <a href="qmgr.8.html">qmgr(8)</a> daemon: Implemented in the <a href="qmgr.8.html">qmgr(8)</a> daemon:
<b><a href="postconf.5.html#transport_destination_concurrency_limit">transport_destination_concurrency_limit</a> ($<a href="postconf.5.html#default_destination_concurrency_limit">default_destination_concur</a>-</b> <b><a href="postconf.5.html#transport_destination_concurrency_limit">transport_destination_concurrency_limit</a> ($<a href="postconf.5.html#default_destination_concurrency_limit">default_destination_concur</a>-</b>
<b><a href="postconf.5.html#default_destination_concurrency_limit">rency_limit</a>)</b> <b><a href="postconf.5.html#default_destination_concurrency_limit">rency_limit</a>)</b>
A transport-specific override for the <a href="postconf.5.html#default_destination_concurrency_limit">default_destination_con</a>- A transport-specific override for the <a href="postconf.5.html#default_destination_concurrency_limit">default_destination_con</a>-
<a href="postconf.5.html#default_destination_concurrency_limit">currency_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a> <a href="postconf.5.html#default_destination_concurrency_limit">currency_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a>
name of the message delivery transport. name of the message delivery transport.
<b><a href="postconf.5.html#transport_destination_recipient_limit">transport_destination_recipient_limit</a> ($<a href="postconf.5.html#default_destination_recipient_limit">default_destination_recipi</a>-</b> <b><a href="postconf.5.html#transport_destination_recipient_limit">transport_destination_recipient_limit</a> ($<a href="postconf.5.html#default_destination_recipient_limit">default_destination_recipi</a>-</b>
<b><a href="postconf.5.html#default_destination_recipient_limit">ent_limit</a>)</b> <b><a href="postconf.5.html#default_destination_recipient_limit">ent_limit</a>)</b>
A transport-specific override for the <a href="postconf.5.html#default_destination_recipient_limit">default_destination_recip</a>- A transport-specific override for the <a href="postconf.5.html#default_destination_recipient_limit">default_destination_recip</a>-
<a href="postconf.5.html#default_destination_recipient_limit">ient_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a> <a href="postconf.5.html#default_destination_recipient_limit">ient_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a>
name of the message delivery transport. name of the message delivery transport.
<b>MISCELLANEOUS CONTROLS</b> <b>MISCELLANEOUS CONTROLS</b>
<b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b>
The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con- The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con-
figuration files. figuration files.
<b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b> <b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b>
How much time a Postfix daemon process may take to handle a How much time a Postfix daemon process may take to handle a
request before it is terminated by a built-in watchdog timer. request before it is terminated by a built-in watchdog timer.
<b><a href="postconf.5.html#delay_logging_resolution_limit">delay_logging_resolution_limit</a> (2)</b> <b><a href="postconf.5.html#delay_logging_resolution_limit">delay_logging_resolution_limit</a> (2)</b>
The maximal number of digits after the decimal point when log- The maximal number of digits after the decimal point when log-
ging sub-second delay values. ging sub-second delay values.
<b><a href="postconf.5.html#export_environment">export_environment</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#export_environment">export_environment</a> (see 'postconf -d' output)</b>
The list of environment variables that a Postfix process will The list of environment variables that a Postfix process will
export to non-Postfix processes. export to non-Postfix processes.
<b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b> <b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b>
The time limit for sending or receiving information over an The time limit for sending or receiving information over an
internal communication channel. internal communication channel.
<b><a href="postconf.5.html#mail_owner">mail_owner</a> (postfix)</b> <b><a href="postconf.5.html#mail_owner">mail_owner</a> (postfix)</b>
The UNIX system account that owns the Postfix queue and most The UNIX system account that owns the Postfix queue and most
Postfix daemon processes. Postfix daemon processes.
<b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b> <b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b>
The maximum amount of time that an idle Postfix daemon process The maximum amount of time that an idle Postfix daemon process
waits for an incoming connection before terminating voluntarily. waits for an incoming connection before terminating voluntarily.
<b><a href="postconf.5.html#max_use">max_use</a> (100)</b> <b><a href="postconf.5.html#max_use">max_use</a> (100)</b>
@ -446,28 +452,28 @@ PIPE(8) PIPE(8)
The location of the Postfix top-level queue directory. The location of the Postfix top-level queue directory.
<b><a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a> (empty)</b> <b><a href="postconf.5.html#recipient_delimiter">recipient_delimiter</a> (empty)</b>
The set of characters that can separate an email address local- The set of characters that can separate an email address local-
part, user name, or a .forward file name from its extension. part, user name, or a .forward file name from its extension.
<b><a href="postconf.5.html#syslog_facility">syslog_facility</a> (mail)</b> <b><a href="postconf.5.html#syslog_facility">syslog_facility</a> (mail)</b>
The syslog facility of Postfix logging. The syslog facility of Postfix logging.
<b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b>
A prefix that is prepended to the process name in syslog A prefix that is prepended to the process name in syslog
records, so that, for example, "smtpd" becomes "prefix/smtpd". records, so that, for example, "smtpd" becomes "prefix/smtpd".
Available in Postfix version 3.0 and later: Available in Postfix version 3.0 and later:
<b><a href="postconf.5.html#pipe_delivery_status_filter">pipe_delivery_status_filter</a> ($<a href="postconf.5.html#default_delivery_status_filter">default_delivery_status_filter</a>)</b> <b><a href="postconf.5.html#pipe_delivery_status_filter">pipe_delivery_status_filter</a> ($<a href="postconf.5.html#default_delivery_status_filter">default_delivery_status_filter</a>)</b>
Optional filter for the <a href="pipe.8.html"><b>pipe</b>(8)</a> delivery agent to change the Optional filter for the <a href="pipe.8.html"><b>pipe</b>(8)</a> delivery agent to change the
delivery status code or explanatory text of successful or unsuc- delivery status code or explanatory text of successful or unsuc-
cessful deliveries. cessful deliveries.
Available in Postfix version 3.3 and later: Available in Postfix version 3.3 and later:
<b><a href="postconf.5.html#enable_original_recipient">enable_original_recipient</a> (yes)</b> <b><a href="postconf.5.html#enable_original_recipient">enable_original_recipient</a> (yes)</b>
Enable support for the original recipient address after an Enable support for the original recipient address after an
address is rewritten to a different address (for example with address is rewritten to a different address (for example with
aliasing or with canonical mapping). aliasing or with canonical mapping).
<b><a href="postconf.5.html#service_name">service_name</a> (read-only)</b> <b><a href="postconf.5.html#service_name">service_name</a> (read-only)</b>
@ -476,7 +482,7 @@ PIPE(8) PIPE(8)
Available in Postfix 3.5 and later: Available in Postfix 3.5 and later:
<b><a href="postconf.5.html#info_log_address_format">info_log_address_format</a> (external)</b> <b><a href="postconf.5.html#info_log_address_format">info_log_address_format</a> (external)</b>
The email address form that will be used in non-debug logging The email address form that will be used in non-debug logging
(info, warning, etc.). (info, warning, etc.).
<b>SEE ALSO</b> <b>SEE ALSO</b>

5
postfix/html/postconf.5.html
View File

@ -6498,6 +6498,11 @@ and later.</dd>
<dd>The domain part of the recipient address. </dd> <dd>The domain part of the recipient address. </dd>
<dt><b>ENVID</b></dt>
<dd>The optional <a href="https://tools.ietf.org/html/rfc3461">RFC 3461</a> envelope ID. Available in Postfix version
3.9 and later</dd>
<dt><b>EXTENSION</b></dt> <dt><b>EXTENSION</b></dt>
<dd>The optional address extension. </dd> <dd>The optional address extension. </dd>

2
postfix/html/proxymap.8.html
View File

@ -41,7 +41,7 @@ PROXYMAP(8) PROXYMAP(8)
<b>o</b> To provide single-updater functionality for lookup tables that <b>o</b> To provide single-updater functionality for lookup tables that
do not reliably support multiple writers (i.e. all file-based do not reliably support multiple writers (i.e. all file-based
tables). tables that are not based on <b>lmdb</b>).
The <a href="proxymap.8.html"><b>proxymap</b>(8)</a> server implements the following requests: The <a href="proxymap.8.html"><b>proxymap</b>(8)</a> server implements the following requests:

363
postfix/html/smtp.8.html
View File

@ -5,20 +5,24 @@
<link rel='stylesheet' type='text/css' href='postfix-doc.css'> <link rel='stylesheet' type='text/css' href='postfix-doc.css'>
<title> Postfix manual - smtp(8) </title> <title> Postfix manual - smtp(8) </title>
</head> <body> <pre> </head> <body> <pre>
SMTP(8) SMTP(8) SMTP,(LMTP) SMTP,(LMTP)
<b>NAME</b> <b>NAME</b>
smtp - Postfix SMTP+LMTP client smtp, lmtp - Postfix SMTP+LMTP client
<b>SYNOPSIS</b> <b>SYNOPSIS</b>
<b>smtp</b> [generic Postfix daemon options] [flags=DORX] <b>smtp</b> [generic Postfix daemon options] [flags=DORX]
<b>lmtp</b> [generic Postfix daemon options] [flags=DORX]
<b>DESCRIPTION</b> <b>DESCRIPTION</b>
The Postfix SMTP+LMTP client implements the SMTP and LMTP mail delivery The Postfix SMTP+LMTP client implements the SMTP and LMTP mail delivery
protocols. It processes message delivery requests from the queue man- protocols. It processes message delivery requests from the queue man-
ager. Each request specifies a queue file, a sender address, a domain ager. Each request specifies a queue file, a sender address, a domain
or host to deliver to, and recipient information. This program expects or host to deliver to, and recipient information. This program expects
to be run from the <a href="master.8.html"><b>master</b>(8)</a> process manager. to be run from the <a href="master.8.html"><b>master</b>(8)</a> process manager. The process name, <b>smtp</b> or
<b>lmtp</b>, controls the protocol, and the names of the configuration parame-
ters that will be used.
The SMTP+LMTP client updates the queue file and marks recipients as The SMTP+LMTP client updates the queue file and marks recipients as
finished, or it informs the queue manager that delivery should be tried finished, or it informs the queue manager that delivery should be tried
@ -180,20 +184,19 @@ SMTP(8) SMTP(8)
for all destinations that map onto the same IP address and TCP port. for all destinations that map onto the same IP address and TCP port.
<b>CONFIGURATION PARAMETERS</b> <b>CONFIGURATION PARAMETERS</b>
Before Postfix version 2.3, the LMTP client is a separate program that Postfix versions 2.3 and later implement the SMTP and LMTP client with
implements only a subset of the functionality available with SMTP: the same program, and choose the protocol and configuration parameters
there is no support for TLS, and connections are cached in-process, based on the process name, <b>smtp</b> or <b>lmtp</b>.
making it ineffective when the client is used for multiple domains.
Most smtp_<i>xxx</i> configuration parameters have an lmtp_<i>xxx</i> "mirror" param- Most smtp_<i>xxx</i> configuration parameters have an lmtp_<i>xxx</i> "mirror" param-
eter for the equivalent LMTP feature. This document describes only eter for the equivalent LMTP feature. This document describes only
those LMTP-related parameters that aren't simply "mirror" parameters. those LMTP-related parameters that aren't simply "mirror" parameters.
Changes to <a href="postconf.5.html"><b>main.cf</b></a> are picked up automatically, as <a href="smtp.8.html"><b>smtp</b>(8)</a> processes Changes to <a href="postconf.5.html"><b>main.cf</b></a> are picked up automatically, as <a href="smtp.8.html"><b>smtp</b>(8)</a> processes
run for only a limited amount of time. Use the command "<b>postfix reload</b>" run for only a limited amount of time. Use the command "<b>postfix reload</b>"
to speed up a change. to speed up a change.
The text below provides only a parameter summary. See <a href="postconf.5.html"><b>postconf</b>(5)</a> for The text below provides only a parameter summary. See <a href="postconf.5.html"><b>postconf</b>(5)</a> for
more details including examples. more details including examples.
<b>COMPATIBILITY CONTROLS</b> <b>COMPATIBILITY CONTROLS</b>
@ -214,8 +217,8 @@ SMTP(8) SMTP(8)
will send via SMTP. will send via SMTP.
<b><a href="postconf.5.html#smtp_pix_workaround_delay_time">smtp_pix_workaround_delay_time</a> (10s)</b> <b><a href="postconf.5.html#smtp_pix_workaround_delay_time">smtp_pix_workaround_delay_time</a> (10s)</b>
How long the Postfix SMTP client pauses before sending How long the Postfix SMTP client pauses before sending
".&lt;CR&gt;&lt;LF&gt;" in order to work around the PIX firewall ".&lt;CR&gt;&lt;LF&gt;" in order to work around the PIX firewall
"&lt;CR&gt;&lt;LF&gt;.&lt;CR&gt;&lt;LF&gt;" bug. "&lt;CR&gt;&lt;LF&gt;.&lt;CR&gt;&lt;LF&gt;" bug.
<b><a href="postconf.5.html#smtp_pix_workaround_threshold_time">smtp_pix_workaround_threshold_time</a> (500s)</b> <b><a href="postconf.5.html#smtp_pix_workaround_threshold_time">smtp_pix_workaround_threshold_time</a> (500s)</b>
@ -224,19 +227,19 @@ SMTP(8) SMTP(8)
delivery through firewalls with "smtp fixup" mode turned on. delivery through firewalls with "smtp fixup" mode turned on.
<b><a href="postconf.5.html#smtp_pix_workarounds">smtp_pix_workarounds</a> (disable_esmtp, delay_dotcrlf)</b> <b><a href="postconf.5.html#smtp_pix_workarounds">smtp_pix_workarounds</a> (disable_esmtp, delay_dotcrlf)</b>
A list that specifies zero or more workarounds for CISCO PIX A list that specifies zero or more workarounds for CISCO PIX
firewall bugs. firewall bugs.
<b><a href="postconf.5.html#smtp_pix_workaround_maps">smtp_pix_workaround_maps</a> (empty)</b> <b><a href="postconf.5.html#smtp_pix_workaround_maps">smtp_pix_workaround_maps</a> (empty)</b>
Lookup tables, indexed by the remote SMTP server address, with Lookup tables, indexed by the remote SMTP server address, with
per-destination workarounds for CISCO PIX firewall bugs. per-destination workarounds for CISCO PIX firewall bugs.
<b><a href="postconf.5.html#smtp_quote_rfc821_envelope">smtp_quote_rfc821_envelope</a> (yes)</b> <b><a href="postconf.5.html#smtp_quote_rfc821_envelope">smtp_quote_rfc821_envelope</a> (yes)</b>
Quote addresses in Postfix SMTP client MAIL FROM and RCPT TO Quote addresses in Postfix SMTP client MAIL FROM and RCPT TO
commands as required by <a href="https://tools.ietf.org/html/rfc5321">RFC 5321</a>. commands as required by <a href="https://tools.ietf.org/html/rfc5321">RFC 5321</a>.
<b><a href="postconf.5.html#smtp_reply_filter">smtp_reply_filter</a> (empty)</b> <b><a href="postconf.5.html#smtp_reply_filter">smtp_reply_filter</a> (empty)</b>
A mechanism to transform replies from remote SMTP servers one A mechanism to transform replies from remote SMTP servers one
line at a time. line at a time.
<b><a href="postconf.5.html#smtp_skip_5xx_greeting">smtp_skip_5xx_greeting</a> (yes)</b> <b><a href="postconf.5.html#smtp_skip_5xx_greeting">smtp_skip_5xx_greeting</a> (yes)</b>
@ -248,68 +251,68 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.0 and earlier: Available in Postfix version 2.0 and earlier:
<b><a href="postconf.5.html#smtp_skip_4xx_greeting">smtp_skip_4xx_greeting</a> (yes)</b> <b><a href="postconf.5.html#smtp_skip_4xx_greeting">smtp_skip_4xx_greeting</a> (yes)</b>
Skip SMTP servers that greet with a 4XX status code (go away, Skip SMTP servers that greet with a 4XX status code (go away,
try again later). try again later).
Available in Postfix version 2.2 and later: Available in Postfix version 2.2 and later:
<b><a href="postconf.5.html#smtp_discard_ehlo_keyword_address_maps">smtp_discard_ehlo_keyword_address_maps</a> (empty)</b> <b><a href="postconf.5.html#smtp_discard_ehlo_keyword_address_maps">smtp_discard_ehlo_keyword_address_maps</a> (empty)</b>
Lookup tables, indexed by the remote SMTP server address, with Lookup tables, indexed by the remote SMTP server address, with
case insensitive lists of EHLO keywords (pipelining, starttls, case insensitive lists of EHLO keywords (pipelining, starttls,
auth, etc.) that the Postfix SMTP client will ignore in the EHLO auth, etc.) that the Postfix SMTP client will ignore in the EHLO
response from a remote SMTP server. response from a remote SMTP server.
<b><a href="postconf.5.html#smtp_discard_ehlo_keywords">smtp_discard_ehlo_keywords</a> (empty)</b> <b><a href="postconf.5.html#smtp_discard_ehlo_keywords">smtp_discard_ehlo_keywords</a> (empty)</b>
A case insensitive list of EHLO keywords (pipelining, starttls, A case insensitive list of EHLO keywords (pipelining, starttls,
auth, etc.) that the Postfix SMTP client will ignore in the EHLO auth, etc.) that the Postfix SMTP client will ignore in the EHLO
response from a remote SMTP server. response from a remote SMTP server.
<b><a href="postconf.5.html#smtp_generic_maps">smtp_generic_maps</a> (empty)</b> <b><a href="postconf.5.html#smtp_generic_maps">smtp_generic_maps</a> (empty)</b>
Optional lookup tables that perform address rewriting in the Optional lookup tables that perform address rewriting in the
Postfix SMTP client, typically to transform a locally valid Postfix SMTP client, typically to transform a locally valid
address into a globally valid address when sending mail across address into a globally valid address when sending mail across
the Internet. the Internet.
Available in Postfix version 2.2.9 and later: Available in Postfix version 2.2.9 and later:
<b><a href="postconf.5.html#smtp_cname_overrides_servername">smtp_cname_overrides_servername</a> (version dependent)</b> <b><a href="postconf.5.html#smtp_cname_overrides_servername">smtp_cname_overrides_servername</a> (version dependent)</b>
When the remote SMTP servername is a DNS CNAME, replace the When the remote SMTP servername is a DNS CNAME, replace the
servername with the result from CNAME expansion for the purpose servername with the result from CNAME expansion for the purpose
of logging, SASL password lookup, TLS policy decisions, or TLS of logging, SASL password lookup, TLS policy decisions, or TLS
certificate verification. certificate verification.
Available in Postfix version 2.3 and later: Available in Postfix version 2.3 and later:
<b><a href="postconf.5.html#lmtp_discard_lhlo_keyword_address_maps">lmtp_discard_lhlo_keyword_address_maps</a> (empty)</b> <b><a href="postconf.5.html#lmtp_discard_lhlo_keyword_address_maps">lmtp_discard_lhlo_keyword_address_maps</a> (empty)</b>
Lookup tables, indexed by the remote LMTP server address, with Lookup tables, indexed by the remote LMTP server address, with
case insensitive lists of LHLO keywords (pipelining, starttls, case insensitive lists of LHLO keywords (pipelining, starttls,
auth, etc.) that the Postfix LMTP client will ignore in the LHLO auth, etc.) that the Postfix LMTP client will ignore in the LHLO
response from a remote LMTP server. response from a remote LMTP server.
<b><a href="postconf.5.html#lmtp_discard_lhlo_keywords">lmtp_discard_lhlo_keywords</a> (empty)</b> <b><a href="postconf.5.html#lmtp_discard_lhlo_keywords">lmtp_discard_lhlo_keywords</a> (empty)</b>
A case insensitive list of LHLO keywords (pipelining, starttls, A case insensitive list of LHLO keywords (pipelining, starttls,
auth, etc.) that the Postfix LMTP client will ignore in the LHLO auth, etc.) that the Postfix LMTP client will ignore in the LHLO
response from a remote LMTP server. response from a remote LMTP server.
Available in Postfix version 2.4.4 and later: Available in Postfix version 2.4.4 and later:
<b><a href="postconf.5.html#send_cyrus_sasl_authzid">send_cyrus_sasl_authzid</a> (no)</b> <b><a href="postconf.5.html#send_cyrus_sasl_authzid">send_cyrus_sasl_authzid</a> (no)</b>
When authenticating to a remote SMTP or LMTP server with the When authenticating to a remote SMTP or LMTP server with the
default setting "no", send no SASL authoriZation ID (authzid); default setting "no", send no SASL authoriZation ID (authzid);
send only the SASL authentiCation ID (authcid) plus the auth- send only the SASL authentiCation ID (authcid) plus the auth-
cid's password. cid's password.
Available in Postfix version 2.5 and later: Available in Postfix version 2.5 and later:
<b><a href="postconf.5.html#smtp_header_checks">smtp_header_checks</a> (empty)</b> <b><a href="postconf.5.html#smtp_header_checks">smtp_header_checks</a> (empty)</b>
Restricted <a href="header_checks.5.html"><b>header_checks</b>(5)</a> tables for the Postfix SMTP client. Restricted <a href="header_checks.5.html"><b>header_checks</b>(5)</a> tables for the Postfix SMTP client.
<b><a href="postconf.5.html#smtp_mime_header_checks">smtp_mime_header_checks</a> (empty)</b> <b><a href="postconf.5.html#smtp_mime_header_checks">smtp_mime_header_checks</a> (empty)</b>
Restricted <b><a href="postconf.5.html#mime_header_checks">mime_header_checks</a></b>(5) tables for the Postfix SMTP Restricted <b><a href="postconf.5.html#mime_header_checks">mime_header_checks</a></b>(5) tables for the Postfix SMTP
client. client.
<b><a href="postconf.5.html#smtp_nested_header_checks">smtp_nested_header_checks</a> (empty)</b> <b><a href="postconf.5.html#smtp_nested_header_checks">smtp_nested_header_checks</a> (empty)</b>
Restricted <b><a href="postconf.5.html#nested_header_checks">nested_header_checks</a></b>(5) tables for the Postfix SMTP Restricted <b><a href="postconf.5.html#nested_header_checks">nested_header_checks</a></b>(5) tables for the Postfix SMTP
client. client.
<b><a href="postconf.5.html#smtp_body_checks">smtp_body_checks</a> (empty)</b> <b><a href="postconf.5.html#smtp_body_checks">smtp_body_checks</a> (empty)</b>
@ -318,7 +321,7 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.6 and later: Available in Postfix version 2.6 and later:
<b><a href="postconf.5.html#tcp_windowsize">tcp_windowsize</a> (0)</b> <b><a href="postconf.5.html#tcp_windowsize">tcp_windowsize</a> (0)</b>
An optional workaround for routers that break TCP window scal- An optional workaround for routers that break TCP window scal-
ing. ing.
Available in Postfix version 2.8 and later: Available in Postfix version 2.8 and later:
@ -329,16 +332,16 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.9 - 3.6: Available in Postfix version 2.9 - 3.6:
<b><a href="postconf.5.html#smtp_per_record_deadline">smtp_per_record_deadline</a> (no)</b> <b><a href="postconf.5.html#smtp_per_record_deadline">smtp_per_record_deadline</a> (no)</b>
Change the behavior of the smtp_*_timeout time limits, from a Change the behavior of the smtp_*_timeout time limits, from a
time limit per read or write system call, to a time limit to time limit per read or write system call, to a time limit to
send or receive a complete record (an SMTP command line, SMTP send or receive a complete record (an SMTP command line, SMTP
response line, SMTP message content line, or TLS protocol mes- response line, SMTP message content line, or TLS protocol mes-
sage). sage).
Available in Postfix version 2.9 and later: Available in Postfix version 2.9 and later:
<b><a href="postconf.5.html#smtp_send_dummy_mail_auth">smtp_send_dummy_mail_auth</a> (no)</b> <b><a href="postconf.5.html#smtp_send_dummy_mail_auth">smtp_send_dummy_mail_auth</a> (no)</b>
Whether or not to append the "AUTH=&lt;&gt;" option to the MAIL FROM Whether or not to append the "AUTH=&lt;&gt;" option to the MAIL FROM
command in SASL-authenticated SMTP sessions. command in SASL-authenticated SMTP sessions.
Available in Postfix version 2.11 and later: Available in Postfix version 2.11 and later:
@ -349,7 +352,7 @@ SMTP(8) SMTP(8)
Available in Postfix version 3.0 and later: Available in Postfix version 3.0 and later:
<b><a href="postconf.5.html#smtp_delivery_status_filter">smtp_delivery_status_filter</a> ($<a href="postconf.5.html#default_delivery_status_filter">default_delivery_status_filter</a>)</b> <b><a href="postconf.5.html#smtp_delivery_status_filter">smtp_delivery_status_filter</a> ($<a href="postconf.5.html#default_delivery_status_filter">default_delivery_status_filter</a>)</b>
Optional filter for the <a href="smtp.8.html"><b>smtp</b>(8)</a> delivery agent to change the Optional filter for the <a href="smtp.8.html"><b>smtp</b>(8)</a> delivery agent to change the
delivery status code or explanatory text of successful or unsuc- delivery status code or explanatory text of successful or unsuc-
cessful deliveries. cessful deliveries.
@ -359,38 +362,38 @@ SMTP(8) SMTP(8)
Available in Postfix version 3.3 and later: Available in Postfix version 3.3 and later:
<b><a href="postconf.5.html#smtp_balance_inet_protocols">smtp_balance_inet_protocols</a> (yes)</b> <b><a href="postconf.5.html#smtp_balance_inet_protocols">smtp_balance_inet_protocols</a> (yes)</b>
When a remote destination resolves to a combination of IPv4 and When a remote destination resolves to a combination of IPv4 and
IPv6 addresses, ensure that the Postfix SMTP client can try both IPv6 addresses, ensure that the Postfix SMTP client can try both
address types before it runs into the <a href="postconf.5.html#smtp_mx_address_limit">smtp_mx_address_limit</a>. address types before it runs into the <a href="postconf.5.html#smtp_mx_address_limit">smtp_mx_address_limit</a>.
Available in Postfix 3.5 and later: Available in Postfix 3.5 and later:
<b><a href="postconf.5.html#info_log_address_format">info_log_address_format</a> (external)</b> <b><a href="postconf.5.html#info_log_address_format">info_log_address_format</a> (external)</b>
The email address form that will be used in non-debug logging The email address form that will be used in non-debug logging
(info, warning, etc.). (info, warning, etc.).
Available in Postfix 3.6 and later: Available in Postfix 3.6 and later:
<b><a href="postconf.5.html#dnssec_probe">dnssec_probe</a> (ns:.)</b> <b><a href="postconf.5.html#dnssec_probe">dnssec_probe</a> (ns:.)</b>
The DNS query type (default: "ns") and DNS query name (default: The DNS query type (default: "ns") and DNS query name (default:
".") that Postfix may use to determine whether DNSSEC validation ".") that Postfix may use to determine whether DNSSEC validation
is available. is available.
<b><a href="postconf.5.html#known_tcp_ports">known_tcp_ports</a> (lmtp=24, smtp=25, smtps=submissions=465, submis-</b> <b><a href="postconf.5.html#known_tcp_ports">known_tcp_ports</a> (lmtp=24, smtp=25, smtps=submissions=465, submis-</b>
<b>sion=587)</b> <b>sion=587)</b>
Optional setting that avoids lookups in the <b>services</b>(5) data- Optional setting that avoids lookups in the <b>services</b>(5) data-
base. base.
Available in Postfix version 3.7 and later: Available in Postfix version 3.7 and later:
<b><a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a> (no)</b> <b><a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a> (no)</b>
Change the behavior of the smtp_*_timeout time limits, from a Change the behavior of the smtp_*_timeout time limits, from a
time limit per plaintext or TLS read or write call, to a com- time limit per plaintext or TLS read or write call, to a com-
bined time limit for sending a complete SMTP request and for bined time limit for sending a complete SMTP request and for
receiving a complete SMTP response. receiving a complete SMTP response.
<b><a href="postconf.5.html#smtp_min_data_rate">smtp_min_data_rate</a> (500)</b> <b><a href="postconf.5.html#smtp_min_data_rate">smtp_min_data_rate</a> (500)</b>
The minimum plaintext data transfer rate in bytes/second for The minimum plaintext data transfer rate in bytes/second for
DATA requests, when deadlines are enabled with DATA requests, when deadlines are enabled with
<a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a>. <a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a>.
@ -400,16 +403,16 @@ SMTP(8) SMTP(8)
Available in Postfix version 3.8 and later: Available in Postfix version 3.8 and later:
<b><a href="postconf.5.html#use_srv_lookup">use_srv_lookup</a> (empty)</b> <b><a href="postconf.5.html#use_srv_lookup">use_srv_lookup</a> (empty)</b>
Enables discovery for the specified service(s) using DNS SRV Enables discovery for the specified service(s) using DNS SRV
records. records.
<b><a href="postconf.5.html#ignore_srv_lookup_error">ignore_srv_lookup_error</a> (no)</b> <b><a href="postconf.5.html#ignore_srv_lookup_error">ignore_srv_lookup_error</a> (no)</b>
When SRV record lookup fails, fall back to MX or IP address When SRV record lookup fails, fall back to MX or IP address
lookup as if SRV record lookup was not enabled. lookup as if SRV record lookup was not enabled.
<b><a href="postconf.5.html#allow_srv_lookup_fallback">allow_srv_lookup_fallback</a> (no)</b> <b><a href="postconf.5.html#allow_srv_lookup_fallback">allow_srv_lookup_fallback</a> (no)</b>
When SRV record lookup fails or no SRV record exists, fall back When SRV record lookup fails or no SRV record exists, fall back
to MX or IP address lookup as if SRV record lookup was not to MX or IP address lookup as if SRV record lookup was not
enabled. enabled.
<b>MIME PROCESSING CONTROLS</b> <b>MIME PROCESSING CONTROLS</b>
@ -428,7 +431,7 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.1 and later: Available in Postfix version 2.1 and later:
<b><a href="postconf.5.html#smtp_send_xforward_command">smtp_send_xforward_command</a> (no)</b> <b><a href="postconf.5.html#smtp_send_xforward_command">smtp_send_xforward_command</a> (no)</b>
Send the non-standard XFORWARD command when the Postfix SMTP Send the non-standard XFORWARD command when the Postfix SMTP
server EHLO response announces XFORWARD support. server EHLO response announces XFORWARD support.
<b>SASL AUTHENTICATION CONTROLS</b> <b>SASL AUTHENTICATION CONTROLS</b>
@ -436,88 +439,88 @@ SMTP(8) SMTP(8)
Enable SASL authentication in the Postfix SMTP client. Enable SASL authentication in the Postfix SMTP client.
<b><a href="postconf.5.html#smtp_sasl_password_maps">smtp_sasl_password_maps</a> (empty)</b> <b><a href="postconf.5.html#smtp_sasl_password_maps">smtp_sasl_password_maps</a> (empty)</b>
Optional Postfix SMTP client lookup tables with one user- Optional Postfix SMTP client lookup tables with one user-
name:password entry per sender, remote hostname or next-hop name:password entry per sender, remote hostname or next-hop
domain. domain.
<b><a href="postconf.5.html#smtp_sasl_security_options">smtp_sasl_security_options</a> (noplaintext, noanonymous)</b> <b><a href="postconf.5.html#smtp_sasl_security_options">smtp_sasl_security_options</a> (noplaintext, noanonymous)</b>
Postfix SMTP client SASL security options; as of Postfix 2.3 the Postfix SMTP client SASL security options; as of Postfix 2.3 the
list of available features depends on the SASL client implemen- list of available features depends on the SASL client implemen-
tation that is selected with <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a></b>. tation that is selected with <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a></b>.
Available in Postfix version 2.2 and later: Available in Postfix version 2.2 and later:
<b><a href="postconf.5.html#smtp_sasl_mechanism_filter">smtp_sasl_mechanism_filter</a> (empty)</b> <b><a href="postconf.5.html#smtp_sasl_mechanism_filter">smtp_sasl_mechanism_filter</a> (empty)</b>
If non-empty, a Postfix SMTP client filter for the remote SMTP If non-empty, a Postfix SMTP client filter for the remote SMTP
server's list of offered SASL mechanisms. server's list of offered SASL mechanisms.
Available in Postfix version 2.3 and later: Available in Postfix version 2.3 and later:
<b><a href="postconf.5.html#smtp_sender_dependent_authentication">smtp_sender_dependent_authentication</a> (no)</b> <b><a href="postconf.5.html#smtp_sender_dependent_authentication">smtp_sender_dependent_authentication</a> (no)</b>
Enable sender-dependent authentication in the Postfix SMTP Enable sender-dependent authentication in the Postfix SMTP
client; this is available only with SASL authentication, and client; this is available only with SASL authentication, and
disables SMTP connection caching to ensure that mail from dif- disables SMTP connection caching to ensure that mail from dif-
ferent senders will use the appropriate credentials. ferent senders will use the appropriate credentials.
<b><a href="postconf.5.html#smtp_sasl_path">smtp_sasl_path</a> (empty)</b> <b><a href="postconf.5.html#smtp_sasl_path">smtp_sasl_path</a> (empty)</b>
Implementation-specific information that the Postfix SMTP client Implementation-specific information that the Postfix SMTP client
passes through to the SASL plug-in implementation that is passes through to the SASL plug-in implementation that is
selected with <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a></b>. selected with <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a></b>.
<b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a> (cyrus)</b> <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a> (cyrus)</b>
The SASL plug-in type that the Postfix SMTP client should use The SASL plug-in type that the Postfix SMTP client should use
for authentication. for authentication.
Available in Postfix version 2.5 and later: Available in Postfix version 2.5 and later:
<b><a href="postconf.5.html#smtp_sasl_auth_cache_name">smtp_sasl_auth_cache_name</a> (empty)</b> <b><a href="postconf.5.html#smtp_sasl_auth_cache_name">smtp_sasl_auth_cache_name</a> (empty)</b>
An optional table to prevent repeated SASL authentication fail- An optional table to prevent repeated SASL authentication fail-
ures with the same remote SMTP server hostname, username and ures with the same remote SMTP server hostname, username and
password. password.
<b><a href="postconf.5.html#smtp_sasl_auth_cache_time">smtp_sasl_auth_cache_time</a> (90d)</b> <b><a href="postconf.5.html#smtp_sasl_auth_cache_time">smtp_sasl_auth_cache_time</a> (90d)</b>
The maximal age of an <a href="postconf.5.html#smtp_sasl_auth_cache_name">smtp_sasl_auth_cache_name</a> entry before it The maximal age of an <a href="postconf.5.html#smtp_sasl_auth_cache_name">smtp_sasl_auth_cache_name</a> entry before it
is removed. is removed.
<b><a href="postconf.5.html#smtp_sasl_auth_soft_bounce">smtp_sasl_auth_soft_bounce</a> (yes)</b> <b><a href="postconf.5.html#smtp_sasl_auth_soft_bounce">smtp_sasl_auth_soft_bounce</a> (yes)</b>
When a remote SMTP server rejects a SASL authentication request When a remote SMTP server rejects a SASL authentication request
with a 535 reply code, defer mail delivery instead of returning with a 535 reply code, defer mail delivery instead of returning
mail as undeliverable. mail as undeliverable.
Available in Postfix version 2.9 and later: Available in Postfix version 2.9 and later:
<b><a href="postconf.5.html#smtp_send_dummy_mail_auth">smtp_send_dummy_mail_auth</a> (no)</b> <b><a href="postconf.5.html#smtp_send_dummy_mail_auth">smtp_send_dummy_mail_auth</a> (no)</b>
Whether or not to append the "AUTH=&lt;&gt;" option to the MAIL FROM Whether or not to append the "AUTH=&lt;&gt;" option to the MAIL FROM
command in SASL-authenticated SMTP sessions. command in SASL-authenticated SMTP sessions.
Available in Postfix version 3.9 and later: Available in Postfix version 3.9 and later:
<b><a href="postconf.5.html#smtp_sasl_password_result_delimiter">smtp_sasl_password_result_delimiter</a> (:)</b> <b><a href="postconf.5.html#smtp_sasl_password_result_delimiter">smtp_sasl_password_result_delimiter</a> (:)</b>
The delimiter between username and password in sasl_passwd_maps The delimiter between username and password in sasl_passwd_maps
lookup results. lookup results.
<b>STARTTLS SUPPORT CONTROLS</b> <b>STARTTLS SUPPORT CONTROLS</b>
Detailed information about STARTTLS configuration may be found in the Detailed information about STARTTLS configuration may be found in the
<a href="TLS_README.html">TLS_README</a> document. <a href="TLS_README.html">TLS_README</a> document.
<b><a href="postconf.5.html#smtp_tls_security_level">smtp_tls_security_level</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_security_level">smtp_tls_security_level</a> (empty)</b>
The default SMTP TLS security level for the Postfix SMTP client. The default SMTP TLS security level for the Postfix SMTP client.
<b><a href="postconf.5.html#smtp_sasl_tls_security_options">smtp_sasl_tls_security_options</a> ($<a href="postconf.5.html#smtp_sasl_security_options">smtp_sasl_security_options</a>)</b> <b><a href="postconf.5.html#smtp_sasl_tls_security_options">smtp_sasl_tls_security_options</a> ($<a href="postconf.5.html#smtp_sasl_security_options">smtp_sasl_security_options</a>)</b>
The SASL authentication security options that the Postfix SMTP The SASL authentication security options that the Postfix SMTP
client uses for TLS encrypted SMTP sessions. client uses for TLS encrypted SMTP sessions.
<b><a href="postconf.5.html#smtp_starttls_timeout">smtp_starttls_timeout</a> (300s)</b> <b><a href="postconf.5.html#smtp_starttls_timeout">smtp_starttls_timeout</a> (300s)</b>
Time limit for Postfix SMTP client write and read operations Time limit for Postfix SMTP client write and read operations
during TLS startup and shutdown handshake procedures. during TLS startup and shutdown handshake procedures.
<b><a href="postconf.5.html#smtp_tls_CAfile">smtp_tls_CAfile</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_CAfile">smtp_tls_CAfile</a> (empty)</b>
A file containing CA certificates of root CAs trusted to sign A file containing CA certificates of root CAs trusted to sign
either remote SMTP server certificates or intermediate CA cer- either remote SMTP server certificates or intermediate CA cer-
tificates. tificates.
<b><a href="postconf.5.html#smtp_tls_CApath">smtp_tls_CApath</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_CApath">smtp_tls_CApath</a> (empty)</b>
Directory with PEM format Certification Authority certificates Directory with PEM format Certification Authority certificates
that the Postfix SMTP client uses to verify a remote SMTP server that the Postfix SMTP client uses to verify a remote SMTP server
certificate. certificate.
@ -525,7 +528,7 @@ SMTP(8) SMTP(8)
File with the Postfix SMTP client RSA certificate in PEM format. File with the Postfix SMTP client RSA certificate in PEM format.
<b><a href="postconf.5.html#smtp_tls_mandatory_ciphers">smtp_tls_mandatory_ciphers</a> (medium)</b> <b><a href="postconf.5.html#smtp_tls_mandatory_ciphers">smtp_tls_mandatory_ciphers</a> (medium)</b>
The minimum TLS cipher grade that the Postfix SMTP client will The minimum TLS cipher grade that the Postfix SMTP client will
use with mandatory TLS encryption. use with mandatory TLS encryption.
<b><a href="postconf.5.html#smtp_tls_exclude_ciphers">smtp_tls_exclude_ciphers</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_exclude_ciphers">smtp_tls_exclude_ciphers</a> (empty)</b>
@ -533,8 +536,8 @@ SMTP(8) SMTP(8)
client cipher list at all TLS security levels. client cipher list at all TLS security levels.
<b><a href="postconf.5.html#smtp_tls_mandatory_exclude_ciphers">smtp_tls_mandatory_exclude_ciphers</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_mandatory_exclude_ciphers">smtp_tls_mandatory_exclude_ciphers</a> (empty)</b>
Additional list of ciphers or cipher types to exclude from the Additional list of ciphers or cipher types to exclude from the
Postfix SMTP client cipher list at mandatory TLS security lev- Postfix SMTP client cipher list at mandatory TLS security lev-
els. els.
<b><a href="postconf.5.html#smtp_tls_dcert_file">smtp_tls_dcert_file</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_dcert_file">smtp_tls_dcert_file</a> (empty)</b>
@ -550,7 +553,7 @@ SMTP(8) SMTP(8)
Enable additional Postfix SMTP client logging of TLS activity. Enable additional Postfix SMTP client logging of TLS activity.
<b><a href="postconf.5.html#smtp_tls_note_starttls_offer">smtp_tls_note_starttls_offer</a> (no)</b> <b><a href="postconf.5.html#smtp_tls_note_starttls_offer">smtp_tls_note_starttls_offer</a> (no)</b>
Log the hostname of a remote SMTP server that offers STARTTLS, Log the hostname of a remote SMTP server that offers STARTTLS,
when TLS is not already enabled for that server. when TLS is not already enabled for that server.
<b><a href="postconf.5.html#smtp_tls_policy_maps">smtp_tls_policy_maps</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_policy_maps">smtp_tls_policy_maps</a> (empty)</b>
@ -559,14 +562,14 @@ SMTP(8) SMTP(8)
fied, this overrides the obsolete <a href="postconf.5.html#smtp_tls_per_site">smtp_tls_per_site</a> parameter. fied, this overrides the obsolete <a href="postconf.5.html#smtp_tls_per_site">smtp_tls_per_site</a> parameter.
<b><a href="postconf.5.html#smtp_tls_mandatory_protocols">smtp_tls_mandatory_protocols</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#smtp_tls_mandatory_protocols">smtp_tls_mandatory_protocols</a> (see 'postconf -d' output)</b>
TLS protocols that the Postfix SMTP client will use with manda- TLS protocols that the Postfix SMTP client will use with manda-
tory TLS encryption. tory TLS encryption.
<b><a href="postconf.5.html#smtp_tls_scert_verifydepth">smtp_tls_scert_verifydepth</a> (9)</b> <b><a href="postconf.5.html#smtp_tls_scert_verifydepth">smtp_tls_scert_verifydepth</a> (9)</b>
The verification depth for remote SMTP server certificates. The verification depth for remote SMTP server certificates.
<b><a href="postconf.5.html#smtp_tls_secure_cert_match">smtp_tls_secure_cert_match</a> (nexthop, dot-nexthop)</b> <b><a href="postconf.5.html#smtp_tls_secure_cert_match">smtp_tls_secure_cert_match</a> (nexthop, dot-nexthop)</b>
How the Postfix SMTP client verifies the server certificate How the Postfix SMTP client verifies the server certificate
peername for the "secure" TLS security level. peername for the "secure" TLS security level.
<b><a href="postconf.5.html#smtp_tls_session_cache_database">smtp_tls_session_cache_database</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_session_cache_database">smtp_tls_session_cache_database</a> (empty)</b>
@ -574,16 +577,16 @@ SMTP(8) SMTP(8)
session cache. session cache.
<b><a href="postconf.5.html#smtp_tls_session_cache_timeout">smtp_tls_session_cache_timeout</a> (3600s)</b> <b><a href="postconf.5.html#smtp_tls_session_cache_timeout">smtp_tls_session_cache_timeout</a> (3600s)</b>
The expiration time of Postfix SMTP client TLS session cache The expiration time of Postfix SMTP client TLS session cache
information. information.
<b><a href="postconf.5.html#smtp_tls_verify_cert_match">smtp_tls_verify_cert_match</a> (hostname)</b> <b><a href="postconf.5.html#smtp_tls_verify_cert_match">smtp_tls_verify_cert_match</a> (hostname)</b>
How the Postfix SMTP client verifies the server certificate How the Postfix SMTP client verifies the server certificate
peername for the "verify" TLS security level. peername for the "verify" TLS security level.
<b><a href="postconf.5.html#tls_daemon_random_bytes">tls_daemon_random_bytes</a> (32)</b> <b><a href="postconf.5.html#tls_daemon_random_bytes">tls_daemon_random_bytes</a> (32)</b>
The number of pseudo-random bytes that an <a href="smtp.8.html"><b>smtp</b>(8)</a> or <a href="smtpd.8.html"><b>smtpd</b>(8)</a> The number of pseudo-random bytes that an <a href="smtp.8.html"><b>smtp</b>(8)</a> or <a href="smtpd.8.html"><b>smtpd</b>(8)</a>
process requests from the <a href="tlsmgr.8.html"><b>tlsmgr</b>(8)</a> server in order to seed its process requests from the <a href="tlsmgr.8.html"><b>tlsmgr</b>(8)</a> server in order to seed its
internal pseudo random number generator (PRNG). internal pseudo random number generator (PRNG).
<b><a href="postconf.5.html#tls_high_cipherlist">tls_high_cipherlist</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#tls_high_cipherlist">tls_high_cipherlist</a> (see 'postconf -d' output)</b>
@ -593,7 +596,7 @@ SMTP(8) SMTP(8)
The OpenSSL cipherlist for "medium" or higher grade ciphers. The OpenSSL cipherlist for "medium" or higher grade ciphers.
<b><a href="postconf.5.html#tls_null_cipherlist">tls_null_cipherlist</a> (eNULL:!aNULL)</b> <b><a href="postconf.5.html#tls_null_cipherlist">tls_null_cipherlist</a> (eNULL:!aNULL)</b>
The OpenSSL cipherlist for "NULL" grade ciphers that provide The OpenSSL cipherlist for "NULL" grade ciphers that provide
authentication without encryption. authentication without encryption.
Available in in Postfix version 2.3..3.7: Available in in Postfix version 2.3..3.7:
@ -608,45 +611,45 @@ SMTP(8) SMTP(8)
<b><a href="postconf.5.html#smtp_sasl_tls_verified_security_options">smtp_sasl_tls_verified_security_options</a> ($<a href="postconf.5.html#smtp_sasl_tls_security_options">smtp_sasl_tls_secu</a>-</b> <b><a href="postconf.5.html#smtp_sasl_tls_verified_security_options">smtp_sasl_tls_verified_security_options</a> ($<a href="postconf.5.html#smtp_sasl_tls_security_options">smtp_sasl_tls_secu</a>-</b>
<b><a href="postconf.5.html#smtp_sasl_tls_security_options">rity_options</a>)</b> <b><a href="postconf.5.html#smtp_sasl_tls_security_options">rity_options</a>)</b>
The SASL authentication security options that the Postfix SMTP The SASL authentication security options that the Postfix SMTP
client uses for TLS encrypted SMTP sessions with a verified client uses for TLS encrypted SMTP sessions with a verified
server certificate. server certificate.
Available in Postfix version 2.5 and later: Available in Postfix version 2.5 and later:
<b><a href="postconf.5.html#smtp_tls_fingerprint_cert_match">smtp_tls_fingerprint_cert_match</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_fingerprint_cert_match">smtp_tls_fingerprint_cert_match</a> (empty)</b>
List of acceptable remote SMTP server certificate fingerprints List of acceptable remote SMTP server certificate fingerprints
for the "fingerprint" TLS security level (<b><a href="postconf.5.html#smtp_tls_security_level">smtp_tls_secu</a>-</b> for the "fingerprint" TLS security level (<b><a href="postconf.5.html#smtp_tls_security_level">smtp_tls_secu</a>-</b>
<b><a href="postconf.5.html#smtp_tls_security_level">rity_level</a></b> = fingerprint). <b><a href="postconf.5.html#smtp_tls_security_level">rity_level</a></b> = fingerprint).
<b><a href="postconf.5.html#smtp_tls_fingerprint_digest">smtp_tls_fingerprint_digest</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#smtp_tls_fingerprint_digest">smtp_tls_fingerprint_digest</a> (see 'postconf -d' output)</b>
The message digest algorithm used to construct remote SMTP The message digest algorithm used to construct remote SMTP
server certificate fingerprints. server certificate fingerprints.
Available in Postfix version 2.6 and later: Available in Postfix version 2.6 and later:
<b><a href="postconf.5.html#smtp_tls_protocols">smtp_tls_protocols</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#smtp_tls_protocols">smtp_tls_protocols</a> (see 'postconf -d' output)</b>
TLS protocols that the Postfix SMTP client will use with oppor- TLS protocols that the Postfix SMTP client will use with oppor-
tunistic TLS encryption. tunistic TLS encryption.
<b><a href="postconf.5.html#smtp_tls_ciphers">smtp_tls_ciphers</a> (medium)</b> <b><a href="postconf.5.html#smtp_tls_ciphers">smtp_tls_ciphers</a> (medium)</b>
The minimum TLS cipher grade that the Postfix SMTP client will The minimum TLS cipher grade that the Postfix SMTP client will
use with opportunistic TLS encryption. use with opportunistic TLS encryption.
<b><a href="postconf.5.html#smtp_tls_eccert_file">smtp_tls_eccert_file</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_eccert_file">smtp_tls_eccert_file</a> (empty)</b>
File with the Postfix SMTP client ECDSA certificate in PEM for- File with the Postfix SMTP client ECDSA certificate in PEM for-
mat. mat.
<b><a href="postconf.5.html#smtp_tls_eckey_file">smtp_tls_eckey_file</a> ($<a href="postconf.5.html#smtp_tls_eccert_file">smtp_tls_eccert_file</a>)</b> <b><a href="postconf.5.html#smtp_tls_eckey_file">smtp_tls_eckey_file</a> ($<a href="postconf.5.html#smtp_tls_eccert_file">smtp_tls_eccert_file</a>)</b>
File with the Postfix SMTP client ECDSA private key in PEM for- File with the Postfix SMTP client ECDSA private key in PEM for-
mat. mat.
Available in Postfix version 2.7 and later: Available in Postfix version 2.7 and later:
<b><a href="postconf.5.html#smtp_tls_block_early_mail_reply">smtp_tls_block_early_mail_reply</a> (no)</b> <b><a href="postconf.5.html#smtp_tls_block_early_mail_reply">smtp_tls_block_early_mail_reply</a> (no)</b>
Try to detect a mail hijacking attack based on a TLS protocol Try to detect a mail hijacking attack based on a TLS protocol
vulnerability (CVE-2009-3555), where an attacker prepends mali- vulnerability (CVE-2009-3555), where an attacker prepends mali-
cious HELO, MAIL, RCPT, DATA commands to a Postfix SMTP client cious HELO, MAIL, RCPT, DATA commands to a Postfix SMTP client
TLS session. TLS session.
Available in Postfix version 2.8 and later: Available in Postfix version 2.8 and later:
@ -666,11 +669,11 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.11 and later: Available in Postfix version 2.11 and later:
<b><a href="postconf.5.html#smtp_tls_trust_anchor_file">smtp_tls_trust_anchor_file</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_trust_anchor_file">smtp_tls_trust_anchor_file</a> (empty)</b>
Zero or more PEM-format files with trust-anchor certificates Zero or more PEM-format files with trust-anchor certificates
and/or public keys. and/or public keys.
<b><a href="postconf.5.html#smtp_tls_force_insecure_host_tlsa_lookup">smtp_tls_force_insecure_host_tlsa_lookup</a> (no)</b> <b><a href="postconf.5.html#smtp_tls_force_insecure_host_tlsa_lookup">smtp_tls_force_insecure_host_tlsa_lookup</a> (no)</b>
Lookup the associated DANE TLSA RRset even when a hostname is Lookup the associated DANE TLSA RRset even when a hostname is
not an alias and its address records lie in an unsigned zone. not an alias and its address records lie in an unsigned zone.
<b><a href="postconf.5.html#tlsmgr_service_name">tlsmgr_service_name</a> (tlsmgr)</b> <b><a href="postconf.5.html#tlsmgr_service_name">tlsmgr_service_name</a> (tlsmgr)</b>
@ -679,14 +682,14 @@ SMTP(8) SMTP(8)
Available in Postfix version 3.0 and later: Available in Postfix version 3.0 and later:
<b><a href="postconf.5.html#smtp_tls_wrappermode">smtp_tls_wrappermode</a> (no)</b> <b><a href="postconf.5.html#smtp_tls_wrappermode">smtp_tls_wrappermode</a> (no)</b>
Request that the Postfix SMTP client connects using the SUBMIS- Request that the Postfix SMTP client connects using the SUBMIS-
SIONS/SMTPS protocol instead of using the STARTTLS command. SIONS/SMTPS protocol instead of using the STARTTLS command.
Available in Postfix version 3.1 and later: Available in Postfix version 3.1 and later:
<b><a href="postconf.5.html#smtp_tls_dane_insecure_mx_policy">smtp_tls_dane_insecure_mx_policy</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#smtp_tls_dane_insecure_mx_policy">smtp_tls_dane_insecure_mx_policy</a> (see 'postconf -d' output)</b>
The TLS policy for MX hosts with "secure" TLSA records when the The TLS policy for MX hosts with "secure" TLSA records when the
nexthop destination security level is <b>dane</b>, but the MX record nexthop destination security level is <b>dane</b>, but the MX record
was found via an "insecure" MX lookup. was found via an "insecure" MX lookup.
Available in Postfix version 3.2 and later: Available in Postfix version 3.2 and later:
@ -701,23 +704,23 @@ SMTP(8) SMTP(8)
Try to make multiple deliveries per TLS-encrypted connection. Try to make multiple deliveries per TLS-encrypted connection.
<b><a href="postconf.5.html#smtp_tls_chain_files">smtp_tls_chain_files</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_chain_files">smtp_tls_chain_files</a> (empty)</b>
List of one or more PEM files, each holding one or more private List of one or more PEM files, each holding one or more private
keys directly followed by a corresponding certificate chain. keys directly followed by a corresponding certificate chain.
<b><a href="postconf.5.html#smtp_tls_servername">smtp_tls_servername</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_servername">smtp_tls_servername</a> (empty)</b>
Optional name to send to the remote SMTP server in the TLS Optional name to send to the remote SMTP server in the TLS
Server Name Indication (SNI) extension. Server Name Indication (SNI) extension.
Available in Postfix 3.5, 3.4.6, 3.3.5, 3.2.10, 3.1.13 and later: Available in Postfix 3.5, 3.4.6, 3.3.5, 3.2.10, 3.1.13 and later:
<b><a href="postconf.5.html#tls_fast_shutdown_enable">tls_fast_shutdown_enable</a> (yes)</b> <b><a href="postconf.5.html#tls_fast_shutdown_enable">tls_fast_shutdown_enable</a> (yes)</b>
A workaround for implementations that hang Postfix while shut- A workaround for implementations that hang Postfix while shut-
ting down a TLS session, until Postfix times out. ting down a TLS session, until Postfix times out.
Available in Postfix version 3.8 and later: Available in Postfix version 3.8 and later:
<b><a href="postconf.5.html#tls_ffdhe_auto_groups">tls_ffdhe_auto_groups</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#tls_ffdhe_auto_groups">tls_ffdhe_auto_groups</a> (see 'postconf -d' output)</b>
The prioritized list of finite-field Diffie-Hellman ephemeral The prioritized list of finite-field Diffie-Hellman ephemeral
(FFDHE) key exchange groups supported by the Postfix SMTP client (FFDHE) key exchange groups supported by the Postfix SMTP client
and server. and server.
@ -727,50 +730,50 @@ SMTP(8) SMTP(8)
Optional configuration file with baseline OpenSSL settings. Optional configuration file with baseline OpenSSL settings.
<b><a href="postconf.5.html#tls_config_name">tls_config_name</a> (empty)</b> <b><a href="postconf.5.html#tls_config_name">tls_config_name</a> (empty)</b>
The application name passed by Postfix to OpenSSL library ini- The application name passed by Postfix to OpenSSL library ini-
tialization functions. tialization functions.
Available in Postfix version 3.9 and later: Available in Postfix version 3.9 and later:
<b><a href="postconf.5.html#smtp_tls_enable_rpk">smtp_tls_enable_rpk</a> (no)</b> <b><a href="postconf.5.html#smtp_tls_enable_rpk">smtp_tls_enable_rpk</a> (no)</b>
Request that remote SMTP servers send an <a href="https://tools.ietf.org/html/rfc7250">RFC7250</a> raw public key Request that remote SMTP servers send an <a href="https://tools.ietf.org/html/rfc7250">RFC7250</a> raw public key
instead of an X.509 certificate. instead of an X.509 certificate.
<b>OBSOLETE STARTTLS CONTROLS</b> <b>OBSOLETE STARTTLS CONTROLS</b>
The following configuration parameters exist for compatibility with The following configuration parameters exist for compatibility with
Postfix versions before 2.3. Support for these will be removed in a Postfix versions before 2.3. Support for these will be removed in a
future release. future release.
<b><a href="postconf.5.html#smtp_use_tls">smtp_use_tls</a> (no)</b> <b><a href="postconf.5.html#smtp_use_tls">smtp_use_tls</a> (no)</b>
Opportunistic mode: use TLS when a remote SMTP server announces Opportunistic mode: use TLS when a remote SMTP server announces
STARTTLS support, otherwise send the mail in the clear. STARTTLS support, otherwise send the mail in the clear.
<b><a href="postconf.5.html#smtp_enforce_tls">smtp_enforce_tls</a> (no)</b> <b><a href="postconf.5.html#smtp_enforce_tls">smtp_enforce_tls</a> (no)</b>
Enforcement mode: require that remote SMTP servers use TLS Enforcement mode: require that remote SMTP servers use TLS
encryption, and never send mail in the clear. encryption, and never send mail in the clear.
<b><a href="postconf.5.html#smtp_tls_enforce_peername">smtp_tls_enforce_peername</a> (yes)</b> <b><a href="postconf.5.html#smtp_tls_enforce_peername">smtp_tls_enforce_peername</a> (yes)</b>
With mandatory TLS encryption, require that the remote SMTP With mandatory TLS encryption, require that the remote SMTP
server hostname matches the information in the remote SMTP server hostname matches the information in the remote SMTP
server certificate. server certificate.
<b><a href="postconf.5.html#smtp_tls_per_site">smtp_tls_per_site</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_per_site">smtp_tls_per_site</a> (empty)</b>
Optional lookup tables with the Postfix SMTP client TLS usage Optional lookup tables with the Postfix SMTP client TLS usage
policy by next-hop destination and by remote SMTP server host- policy by next-hop destination and by remote SMTP server host-
name. name.
<b><a href="postconf.5.html#smtp_tls_cipherlist">smtp_tls_cipherlist</a> (empty)</b> <b><a href="postconf.5.html#smtp_tls_cipherlist">smtp_tls_cipherlist</a> (empty)</b>
Obsolete Postfix &lt; 2.3 control for the Postfix SMTP client TLS Obsolete Postfix &lt; 2.3 control for the Postfix SMTP client TLS
cipher list. cipher list.
<b>RESOURCE AND RATE CONTROLS</b> <b>RESOURCE AND RATE CONTROLS</b>
<b><a href="postconf.5.html#smtp_connect_timeout">smtp_connect_timeout</a> (30s)</b> <b><a href="postconf.5.html#smtp_connect_timeout">smtp_connect_timeout</a> (30s)</b>
The Postfix SMTP client time limit for completing a TCP connec- The Postfix SMTP client time limit for completing a TCP connec-
tion, or zero (use the operating system built-in time limit). tion, or zero (use the operating system built-in time limit).
<b><a href="postconf.5.html#smtp_helo_timeout">smtp_helo_timeout</a> (300s)</b> <b><a href="postconf.5.html#smtp_helo_timeout">smtp_helo_timeout</a> (300s)</b>
The Postfix SMTP client time limit for sending the HELO or EHLO The Postfix SMTP client time limit for sending the HELO or EHLO
command, and for receiving the initial remote SMTP server command, and for receiving the initial remote SMTP server
response. response.
<b><a href="postconf.5.html#lmtp_lhlo_timeout">lmtp_lhlo_timeout</a> (300s)</b> <b><a href="postconf.5.html#lmtp_lhlo_timeout">lmtp_lhlo_timeout</a> (300s)</b>
@ -782,19 +785,19 @@ SMTP(8) SMTP(8)
mand, and for receiving the remote SMTP server response. mand, and for receiving the remote SMTP server response.
<b><a href="postconf.5.html#smtp_mail_timeout">smtp_mail_timeout</a> (300s)</b> <b><a href="postconf.5.html#smtp_mail_timeout">smtp_mail_timeout</a> (300s)</b>
The Postfix SMTP client time limit for sending the MAIL FROM The Postfix SMTP client time limit for sending the MAIL FROM
command, and for receiving the remote SMTP server response. command, and for receiving the remote SMTP server response.
<b><a href="postconf.5.html#smtp_rcpt_timeout">smtp_rcpt_timeout</a> (300s)</b> <b><a href="postconf.5.html#smtp_rcpt_timeout">smtp_rcpt_timeout</a> (300s)</b>
The Postfix SMTP client time limit for sending the SMTP RCPT TO The Postfix SMTP client time limit for sending the SMTP RCPT TO
command, and for receiving the remote SMTP server response. command, and for receiving the remote SMTP server response.
<b><a href="postconf.5.html#smtp_data_init_timeout">smtp_data_init_timeout</a> (120s)</b> <b><a href="postconf.5.html#smtp_data_init_timeout">smtp_data_init_timeout</a> (120s)</b>
The Postfix SMTP client time limit for sending the SMTP DATA The Postfix SMTP client time limit for sending the SMTP DATA
command, and for receiving the remote SMTP server response. command, and for receiving the remote SMTP server response.
<b><a href="postconf.5.html#smtp_data_xfer_timeout">smtp_data_xfer_timeout</a> (180s)</b> <b><a href="postconf.5.html#smtp_data_xfer_timeout">smtp_data_xfer_timeout</a> (180s)</b>
The Postfix SMTP client time limit for sending the SMTP message The Postfix SMTP client time limit for sending the SMTP message
content. content.
<b><a href="postconf.5.html#smtp_data_done_timeout">smtp_data_done_timeout</a> (600s)</b> <b><a href="postconf.5.html#smtp_data_done_timeout">smtp_data_done_timeout</a> (600s)</b>
@ -808,13 +811,13 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.1 and later: Available in Postfix version 2.1 and later:
<b><a href="postconf.5.html#smtp_mx_address_limit">smtp_mx_address_limit</a> (5)</b> <b><a href="postconf.5.html#smtp_mx_address_limit">smtp_mx_address_limit</a> (5)</b>
The maximal number of MX (mail exchanger) IP addresses that can The maximal number of MX (mail exchanger) IP addresses that can
result from Postfix SMTP client mail exchanger lookups, or zero result from Postfix SMTP client mail exchanger lookups, or zero
(no limit). (no limit).
<b><a href="postconf.5.html#smtp_mx_session_limit">smtp_mx_session_limit</a> (2)</b> <b><a href="postconf.5.html#smtp_mx_session_limit">smtp_mx_session_limit</a> (2)</b>
The maximal number of SMTP sessions per delivery request before The maximal number of SMTP sessions per delivery request before
the Postfix SMTP client gives up or delivers to a fall-back the Postfix SMTP client gives up or delivers to a fall-back
<a href="postconf.5.html#relayhost">relay host</a>, or zero (no limit). <a href="postconf.5.html#relayhost">relay host</a>, or zero (no limit).
<b><a href="postconf.5.html#smtp_rset_timeout">smtp_rset_timeout</a> (20s)</b> <b><a href="postconf.5.html#smtp_rset_timeout">smtp_rset_timeout</a> (20s)</b>
@ -824,17 +827,17 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.2 and earlier: Available in Postfix version 2.2 and earlier:
<b><a href="postconf.5.html#lmtp_cache_connection">lmtp_cache_connection</a> (yes)</b> <b><a href="postconf.5.html#lmtp_cache_connection">lmtp_cache_connection</a> (yes)</b>
Keep Postfix LMTP client connections open for up to $<a href="postconf.5.html#max_idle">max_idle</a> Keep Postfix LMTP client connections open for up to $<a href="postconf.5.html#max_idle">max_idle</a>
seconds. seconds.
Available in Postfix version 2.2 and later: Available in Postfix version 2.2 and later:
<b><a href="postconf.5.html#smtp_connection_cache_destinations">smtp_connection_cache_destinations</a> (empty)</b> <b><a href="postconf.5.html#smtp_connection_cache_destinations">smtp_connection_cache_destinations</a> (empty)</b>
Permanently enable SMTP connection caching for the specified Permanently enable SMTP connection caching for the specified
destinations. destinations.
<b><a href="postconf.5.html#smtp_connection_cache_on_demand">smtp_connection_cache_on_demand</a> (yes)</b> <b><a href="postconf.5.html#smtp_connection_cache_on_demand">smtp_connection_cache_on_demand</a> (yes)</b>
Temporarily enable SMTP connection caching while a destination Temporarily enable SMTP connection caching while a destination
has a high volume of mail in the <a href="QSHAPE_README.html#active_queue">active queue</a>. has a high volume of mail in the <a href="QSHAPE_README.html#active_queue">active queue</a>.
<b><a href="postconf.5.html#smtp_connection_reuse_time_limit">smtp_connection_reuse_time_limit</a> (300s)</b> <b><a href="postconf.5.html#smtp_connection_reuse_time_limit">smtp_connection_reuse_time_limit</a> (300s)</b>
@ -848,23 +851,23 @@ SMTP(8) SMTP(8)
Available in Postfix version 2.3 and later: Available in Postfix version 2.3 and later:
<b><a href="postconf.5.html#connection_cache_protocol_timeout">connection_cache_protocol_timeout</a> (5s)</b> <b><a href="postconf.5.html#connection_cache_protocol_timeout">connection_cache_protocol_timeout</a> (5s)</b>
Time limit for connection cache connect, send or receive opera- Time limit for connection cache connect, send or receive opera-
tions. tions.
Available in Postfix version 2.9 - 3.6: Available in Postfix version 2.9 - 3.6:
<b><a href="postconf.5.html#smtp_per_record_deadline">smtp_per_record_deadline</a> (no)</b> <b><a href="postconf.5.html#smtp_per_record_deadline">smtp_per_record_deadline</a> (no)</b>
Change the behavior of the smtp_*_timeout time limits, from a Change the behavior of the smtp_*_timeout time limits, from a
time limit per read or write system call, to a time limit to time limit per read or write system call, to a time limit to
send or receive a complete record (an SMTP command line, SMTP send or receive a complete record (an SMTP command line, SMTP
response line, SMTP message content line, or TLS protocol mes- response line, SMTP message content line, or TLS protocol mes-
sage). sage).
Available in Postfix version 2.11 and later: Available in Postfix version 2.11 and later:
<b><a href="postconf.5.html#smtp_connection_reuse_count_limit">smtp_connection_reuse_count_limit</a> (0)</b> <b><a href="postconf.5.html#smtp_connection_reuse_count_limit">smtp_connection_reuse_count_limit</a> (0)</b>
When SMTP connection caching is enabled, the number of times When SMTP connection caching is enabled, the number of times
that an SMTP session may be reused before it is closed, or zero that an SMTP session may be reused before it is closed, or zero
(no limit). (no limit).
Available in Postfix version 3.4 and later: Available in Postfix version 3.4 and later:
@ -875,13 +878,13 @@ SMTP(8) SMTP(8)
Available in Postfix version 3.7 and later: Available in Postfix version 3.7 and later:
<b><a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a> (no)</b> <b><a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a> (no)</b>
Change the behavior of the smtp_*_timeout time limits, from a Change the behavior of the smtp_*_timeout time limits, from a
time limit per plaintext or TLS read or write call, to a com- time limit per plaintext or TLS read or write call, to a com-
bined time limit for sending a complete SMTP request and for bined time limit for sending a complete SMTP request and for
receiving a complete SMTP response. receiving a complete SMTP response.
<b><a href="postconf.5.html#smtp_min_data_rate">smtp_min_data_rate</a> (500)</b> <b><a href="postconf.5.html#smtp_min_data_rate">smtp_min_data_rate</a> (500)</b>
The minimum plaintext data transfer rate in bytes/second for The minimum plaintext data transfer rate in bytes/second for
DATA requests, when deadlines are enabled with DATA requests, when deadlines are enabled with
<a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a>. <a href="postconf.5.html#smtp_per_request_deadline">smtp_per_request_deadline</a>.
@ -889,54 +892,54 @@ SMTP(8) SMTP(8)
<b><a href="postconf.5.html#transport_destination_concurrency_limit">transport_destination_concurrency_limit</a> ($<a href="postconf.5.html#default_destination_concurrency_limit">default_destination_concur</a>-</b> <b><a href="postconf.5.html#transport_destination_concurrency_limit">transport_destination_concurrency_limit</a> ($<a href="postconf.5.html#default_destination_concurrency_limit">default_destination_concur</a>-</b>
<b><a href="postconf.5.html#default_destination_concurrency_limit">rency_limit</a>)</b> <b><a href="postconf.5.html#default_destination_concurrency_limit">rency_limit</a>)</b>
A transport-specific override for the <a href="postconf.5.html#default_destination_concurrency_limit">default_destination_con</a>- A transport-specific override for the <a href="postconf.5.html#default_destination_concurrency_limit">default_destination_con</a>-
<a href="postconf.5.html#default_destination_concurrency_limit">currency_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a> <a href="postconf.5.html#default_destination_concurrency_limit">currency_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a>
name of the message delivery transport. name of the message delivery transport.
<b><a href="postconf.5.html#transport_destination_recipient_limit">transport_destination_recipient_limit</a> ($<a href="postconf.5.html#default_destination_recipient_limit">default_destination_recipi</a>-</b> <b><a href="postconf.5.html#transport_destination_recipient_limit">transport_destination_recipient_limit</a> ($<a href="postconf.5.html#default_destination_recipient_limit">default_destination_recipi</a>-</b>
<b><a href="postconf.5.html#default_destination_recipient_limit">ent_limit</a>)</b> <b><a href="postconf.5.html#default_destination_recipient_limit">ent_limit</a>)</b>
A transport-specific override for the <a href="postconf.5.html#default_destination_recipient_limit">default_destination_recip</a>- A transport-specific override for the <a href="postconf.5.html#default_destination_recipient_limit">default_destination_recip</a>-
<a href="postconf.5.html#default_destination_recipient_limit">ient_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a> <a href="postconf.5.html#default_destination_recipient_limit">ient_limit</a> parameter value, where <i>transport</i> is the <a href="master.5.html">master.cf</a>
name of the message delivery transport. name of the message delivery transport.
<b>SMTPUTF8 CONTROLS</b> <b>SMTPUTF8 CONTROLS</b>
Preliminary SMTPUTF8 support is introduced with Postfix 3.0. Preliminary SMTPUTF8 support is introduced with Postfix 3.0.
<b><a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> (yes)</b> <b><a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> (yes)</b>
Enable preliminary SMTPUTF8 support for the protocols described Enable preliminary SMTPUTF8 support for the protocols described
in <a href="https://tools.ietf.org/html/rfc6531">RFC 6531</a>, <a href="https://tools.ietf.org/html/rfc6532">RFC 6532</a>, and <a href="https://tools.ietf.org/html/rfc6533">RFC 6533</a>. in <a href="https://tools.ietf.org/html/rfc6531">RFC 6531</a>, <a href="https://tools.ietf.org/html/rfc6532">RFC 6532</a>, and <a href="https://tools.ietf.org/html/rfc6533">RFC 6533</a>.
<b><a href="postconf.5.html#smtputf8_autodetect_classes">smtputf8_autodetect_classes</a> (sendmail, verify)</b> <b><a href="postconf.5.html#smtputf8_autodetect_classes">smtputf8_autodetect_classes</a> (sendmail, verify)</b>
Detect that a message requires SMTPUTF8 support for the speci- Detect that a message requires SMTPUTF8 support for the speci-
fied mail origin classes. fied mail origin classes.
Available in Postfix version 3.2 and later: Available in Postfix version 3.2 and later:
<b><a href="postconf.5.html#enable_idna2003_compatibility">enable_idna2003_compatibility</a> (no)</b> <b><a href="postconf.5.html#enable_idna2003_compatibility">enable_idna2003_compatibility</a> (no)</b>
Enable 'transitional' compatibility between IDNA2003 and Enable 'transitional' compatibility between IDNA2003 and
IDNA2008, when converting UTF-8 domain names to/from the ASCII IDNA2008, when converting UTF-8 domain names to/from the ASCII
form that is used for DNS lookups. form that is used for DNS lookups.
<b>TROUBLE SHOOTING CONTROLS</b> <b>TROUBLE SHOOTING CONTROLS</b>
<b><a href="postconf.5.html#debug_peer_level">debug_peer_level</a> (2)</b> <b><a href="postconf.5.html#debug_peer_level">debug_peer_level</a> (2)</b>
The increment in verbose logging level when a nexthop destina- The increment in verbose logging level when a nexthop destina-
tion, remote client or server name or network address matches a tion, remote client or server name or network address matches a
pattern given with the <a href="postconf.5.html#debug_peer_list">debug_peer_list</a> parameter. pattern given with the <a href="postconf.5.html#debug_peer_list">debug_peer_list</a> parameter.
<b><a href="postconf.5.html#debug_peer_list">debug_peer_list</a> (empty)</b> <b><a href="postconf.5.html#debug_peer_list">debug_peer_list</a> (empty)</b>
Optional list of nexthop destination, remote client or server Optional list of nexthop destination, remote client or server
name or network address patterns that, if matched, cause the name or network address patterns that, if matched, cause the
verbose logging level to increase by the amount specified in verbose logging level to increase by the amount specified in
$<a href="postconf.5.html#debug_peer_level">debug_peer_level</a>. $<a href="postconf.5.html#debug_peer_level">debug_peer_level</a>.
<b><a href="postconf.5.html#error_notice_recipient">error_notice_recipient</a> (postmaster)</b> <b><a href="postconf.5.html#error_notice_recipient">error_notice_recipient</a> (postmaster)</b>
The recipient of postmaster notifications about mail delivery The recipient of postmaster notifications about mail delivery
problems that are caused by policy, resource, software or proto- problems that are caused by policy, resource, software or proto-
col errors. col errors.
<b><a href="postconf.5.html#internal_mail_filter_classes">internal_mail_filter_classes</a> (empty)</b> <b><a href="postconf.5.html#internal_mail_filter_classes">internal_mail_filter_classes</a> (empty)</b>
What categories of Postfix-generated mail are subject to What categories of Postfix-generated mail are subject to
before-queue content inspection by <a href="postconf.5.html#non_smtpd_milters">non_smtpd_milters</a>, before-queue content inspection by <a href="postconf.5.html#non_smtpd_milters">non_smtpd_milters</a>,
<a href="postconf.5.html#header_checks">header_checks</a> and <a href="postconf.5.html#body_checks">body_checks</a>. <a href="postconf.5.html#header_checks">header_checks</a> and <a href="postconf.5.html#body_checks">body_checks</a>.
<b><a href="postconf.5.html#notify_classes">notify_classes</a> (resource, software)</b> <b><a href="postconf.5.html#notify_classes">notify_classes</a> (resource, software)</b>
@ -944,46 +947,46 @@ SMTP(8) SMTP(8)
<b>MISCELLANEOUS CONTROLS</b> <b>MISCELLANEOUS CONTROLS</b>
<b><a href="postconf.5.html#best_mx_transport">best_mx_transport</a> (empty)</b> <b><a href="postconf.5.html#best_mx_transport">best_mx_transport</a> (empty)</b>
Where the Postfix SMTP client should deliver mail when it Where the Postfix SMTP client should deliver mail when it
detects a "mail loops back to myself" error condition. detects a "mail loops back to myself" error condition.
<b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b>
The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con- The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con-
figuration files. figuration files.
<b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b> <b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b>
How much time a Postfix daemon process may take to handle a How much time a Postfix daemon process may take to handle a
request before it is terminated by a built-in watchdog timer. request before it is terminated by a built-in watchdog timer.
<b><a href="postconf.5.html#delay_logging_resolution_limit">delay_logging_resolution_limit</a> (2)</b> <b><a href="postconf.5.html#delay_logging_resolution_limit">delay_logging_resolution_limit</a> (2)</b>
The maximal number of digits after the decimal point when log- The maximal number of digits after the decimal point when log-
ging sub-second delay values. ging sub-second delay values.
<b><a href="postconf.5.html#disable_dns_lookups">disable_dns_lookups</a> (no)</b> <b><a href="postconf.5.html#disable_dns_lookups">disable_dns_lookups</a> (no)</b>
Disable DNS lookups in the Postfix SMTP and LMTP clients. Disable DNS lookups in the Postfix SMTP and LMTP clients.
<b><a href="postconf.5.html#inet_interfaces">inet_interfaces</a> (all)</b> <b><a href="postconf.5.html#inet_interfaces">inet_interfaces</a> (all)</b>
The local network interface addresses that this mail system The local network interface addresses that this mail system
receives mail on. receives mail on.
<b><a href="postconf.5.html#inet_protocols">inet_protocols</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#inet_protocols">inet_protocols</a> (see 'postconf -d' output)</b>
The Internet protocols Postfix will attempt to use when making The Internet protocols Postfix will attempt to use when making
or accepting connections. or accepting connections.
<b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b> <b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b>
The time limit for sending or receiving information over an The time limit for sending or receiving information over an
internal communication channel. internal communication channel.
<b><a href="postconf.5.html#lmtp_assume_final">lmtp_assume_final</a> (no)</b> <b><a href="postconf.5.html#lmtp_assume_final">lmtp_assume_final</a> (no)</b>
When a remote LMTP server announces no DSN support, assume that When a remote LMTP server announces no DSN support, assume that
the server performs final delivery, and send "delivered" deliv- the server performs final delivery, and send "delivered" deliv-
ery status notifications instead of "relayed". ery status notifications instead of "relayed".
<b><a href="postconf.5.html#lmtp_tcp_port">lmtp_tcp_port</a> (24)</b> <b><a href="postconf.5.html#lmtp_tcp_port">lmtp_tcp_port</a> (24)</b>
The default TCP port that the Postfix LMTP client connects to. The default TCP port that the Postfix LMTP client connects to.
<b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b> <b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b>
The maximum amount of time that an idle Postfix daemon process The maximum amount of time that an idle Postfix daemon process
waits for an incoming connection before terminating voluntarily. waits for an incoming connection before terminating voluntarily.
<b><a href="postconf.5.html#max_use">max_use</a> (100)</b> <b><a href="postconf.5.html#max_use">max_use</a> (100)</b>
@ -997,21 +1000,21 @@ SMTP(8) SMTP(8)
The process name of a Postfix command or daemon process. The process name of a Postfix command or daemon process.
<b><a href="postconf.5.html#proxy_interfaces">proxy_interfaces</a> (empty)</b> <b><a href="postconf.5.html#proxy_interfaces">proxy_interfaces</a> (empty)</b>
The remote network interface addresses that this mail system The remote network interface addresses that this mail system
receives mail on by way of a proxy or network address transla- receives mail on by way of a proxy or network address transla-
tion unit. tion unit.
<b><a href="postconf.5.html#smtp_address_preference">smtp_address_preference</a> (any)</b> <b><a href="postconf.5.html#smtp_address_preference">smtp_address_preference</a> (any)</b>
The address type ("ipv6", "ipv4" or "any") that the Postfix SMTP The address type ("ipv6", "ipv4" or "any") that the Postfix SMTP
client will try first, when a destination has IPv6 and IPv4 client will try first, when a destination has IPv6 and IPv4
addresses with equal MX preference. addresses with equal MX preference.
<b><a href="postconf.5.html#smtp_bind_address">smtp_bind_address</a> (empty)</b> <b><a href="postconf.5.html#smtp_bind_address">smtp_bind_address</a> (empty)</b>
An optional numerical network address that the Postfix SMTP An optional numerical network address that the Postfix SMTP
client should bind to when making an IPv4 connection. client should bind to when making an IPv4 connection.
<b><a href="postconf.5.html#smtp_bind_address6">smtp_bind_address6</a> (empty)</b> <b><a href="postconf.5.html#smtp_bind_address6">smtp_bind_address6</a> (empty)</b>
An optional numerical network address that the Postfix SMTP An optional numerical network address that the Postfix SMTP
client should bind to when making an IPv6 connection. client should bind to when making an IPv6 connection.
<b><a href="postconf.5.html#smtp_helo_name">smtp_helo_name</a> ($<a href="postconf.5.html#myhostname">myhostname</a>)</b> <b><a href="postconf.5.html#smtp_helo_name">smtp_helo_name</a> ($<a href="postconf.5.html#myhostname">myhostname</a>)</b>
@ -1031,7 +1034,7 @@ SMTP(8) SMTP(8)
The syslog facility of Postfix logging. The syslog facility of Postfix logging.
<b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b> <b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b>
A prefix that is prepended to the process name in syslog A prefix that is prepended to the process name in syslog
records, so that, for example, "smtpd" becomes "prefix/smtpd". records, so that, for example, "smtpd" becomes "prefix/smtpd".
Available with Postfix 2.2 and earlier: Available with Postfix 2.2 and earlier:
@ -1043,14 +1046,14 @@ SMTP(8) SMTP(8)
Available with Postfix 2.3 and later: Available with Postfix 2.3 and later:
<b><a href="postconf.5.html#smtp_fallback_relay">smtp_fallback_relay</a> ($<a href="postconf.5.html#fallback_relay">fallback_relay</a>)</b> <b><a href="postconf.5.html#smtp_fallback_relay">smtp_fallback_relay</a> ($<a href="postconf.5.html#fallback_relay">fallback_relay</a>)</b>
Optional list of relay destinations that will be used when an Optional list of relay destinations that will be used when an
SMTP destination is not found, or when delivery fails due to a SMTP destination is not found, or when delivery fails due to a
non-permanent error. non-permanent error.
Available with Postfix 3.0 and later: Available with Postfix 3.0 and later:
<b><a href="postconf.5.html#smtp_address_verify_target">smtp_address_verify_target</a> (rcpt)</b> <b><a href="postconf.5.html#smtp_address_verify_target">smtp_address_verify_target</a> (rcpt)</b>
In the context of email address verification, the SMTP protocol In the context of email address verification, the SMTP protocol
stage that determines whether an email address is deliverable. stage that determines whether an email address is deliverable.
Available with Postfix 3.1 and later: Available with Postfix 3.1 and later:
@ -1072,7 +1075,7 @@ SMTP(8) SMTP(8)
Available in Postfix 3.7 and later: Available in Postfix 3.7 and later:
<b><a href="postconf.5.html#smtp_bind_address_enforce">smtp_bind_address_enforce</a> (no)</b> <b><a href="postconf.5.html#smtp_bind_address_enforce">smtp_bind_address_enforce</a> (no)</b>
Defer delivery when the Postfix SMTP client cannot apply the Defer delivery when the Postfix SMTP client cannot apply the
<a href="postconf.5.html#smtp_bind_address">smtp_bind_address</a> or <a href="postconf.5.html#smtp_bind_address6">smtp_bind_address6</a> setting. <a href="postconf.5.html#smtp_bind_address">smtp_bind_address</a> or <a href="postconf.5.html#smtp_bind_address6">smtp_bind_address6</a> setting.
<b>SEE ALSO</b> <b>SEE ALSO</b>
@ -1131,5 +1134,5 @@ SMTP(8) SMTP(8)
Victor Duchovni Victor Duchovni
Morgan Stanley Morgan Stanley
SMTP(8) 8 SMTP,(LMTP)
</pre> </body> </html> </pre> </body> </html>

4
postfix/man/man5/postconf.5
View File

@ -4023,6 +4023,10 @@ Remote client protocol. Available in Postfix version 2.2 and later.
.IP "\fBDOMAIN\fR" .IP "\fBDOMAIN\fR"
The domain part of the recipient address. The domain part of the recipient address.
.br .br
.IP "\fBENVID\fR"
The optional RFC 3461 envelope ID. Available in Postfix version
3.9 and later
.br
.IP "\fBEXTENSION\fR" .IP "\fBEXTENSION\fR"
The optional address extension. The optional address extension.
.br .br

27
postfix/man/man8/local.8
View File

@ -223,27 +223,30 @@ are replaced with underscores. The list of acceptable characters
is specified with the \fBcommand_expansion_filter\fR configuration is specified with the \fBcommand_expansion_filter\fR configuration
parameter. parameter.
.IP \fBSHELL\fR .IP \fBSHELL\fR
The recipient user's login shell. The envelope recipient user's login shell.
.IP \fBHOME\fR .IP \fBHOME\fR
The recipient user's home directory. The envelope recipient user's home directory.
.IP \fBUSER\fR .IP \fBUSER\fR
The bare recipient name. The bare envelope recipient name.
.IP \fBEXTENSION\fR .IP \fBEXTENSION\fR
The optional recipient address extension. The optional envelope recipient address extension.
.IP \fBDOMAIN\fR .IP \fBDOMAIN\fR
The recipient address domain part. The envelope recipient address domain part.
.IP \fBLOGNAME\fR .IP \fBLOGNAME\fR
The bare recipient name. The bare envelope recipient name.
.IP \fBLOCAL\fR .IP \fBLOCAL\fR
The entire recipient address localpart (text to the left of the The entire envelope recipient address localpart (text to
rightmost @ character). the left of the rightmost @ character).
.IP \fBORIGINAL_RECIPIENT\fR .IP \fBORIGINAL_RECIPIENT\fR
The entire recipient address, before any address rewriting The entire envelope recipient address, before any address
or aliasing (Postfix 2.5 and later). rewriting or aliasing (Postfix 2.5 and later).
.IP \fBRECIPIENT\fR .IP \fBRECIPIENT\fR
The entire recipient address. The entire envelope recipient address.
.IP \fBSENDER\fR .IP \fBSENDER\fR
The entire sender address. The entire envelope sender address.
.IP \fBENVID\fR
The optional RFC 3461 envelope ID. Available as of Postfix
3.9.
.PP .PP
Additional remote client information is made available via Additional remote client information is made available via
the following environment variables: the following environment variables:

5
postfix/man/man8/pipe.8
View File

@ -240,6 +240,11 @@ the domain is \fIdomain\fR.
This information is modified by the \fBh\fR flag for case folding. This information is modified by the \fBh\fR flag for case folding.
.sp .sp
This feature is available as of Postfix 2.5. This feature is available as of Postfix 2.5.
.IP \fB${envid}\fR
This macro expands to the RFC 3461 envelope ID if available,
otherwise the empty string.
.sp
This feature is available as of Postfix 3.9.
.IP \fB${extension}\fR .IP \fB${extension}\fR
This macro expands to the extension part of a recipient address. This macro expands to the extension part of a recipient address.
For example, with an address \fIuser+foo@domain\fR the extension is For example, with an address \fIuser+foo@domain\fR the extension is

2
postfix/man/man8/proxymap.8
View File

@ -43,7 +43,7 @@ proxymap server processes.
.IP \(bu .IP \(bu
To provide single\-updater functionality for lookup tables To provide single\-updater functionality for lookup tables
that do not reliably support multiple writers (i.e. all that do not reliably support multiple writers (i.e. all
file\-based tables). file\-based tables that are not based on \fBlmdb\fR).
.PP .PP
The \fBproxymap\fR(8) server implements the following requests: The \fBproxymap\fR(8) server implements the following requests:
.IP "\fBopen\fR \fImaptype:mapname flags\fR" .IP "\fBopen\fR \fImaptype:mapname flags\fR"

19
postfix/man/man8/smtp.8
View File

@ -1,14 +1,16 @@
.TH SMTP 8 .TH SMTP, LMTP 8
.ad .ad
.fi .fi
.SH NAME .SH NAME
smtp smtp, lmtp
\- \-
Postfix SMTP+LMTP client Postfix SMTP+LMTP client
.SH "SYNOPSIS" .SH "SYNOPSIS"
.na .na
.nf .nf
\fBsmtp\fR [generic Postfix daemon options] [flags=DORX] \fBsmtp\fR [generic Postfix daemon options] [flags=DORX]
\fBlmtp\fR [generic Postfix daemon options] [flags=DORX]
.SH DESCRIPTION .SH DESCRIPTION
.ad .ad
.fi .fi
@ -17,7 +19,9 @@ delivery protocols. It processes message delivery requests from
the queue manager. Each request specifies a queue file, a sender the queue manager. Each request specifies a queue file, a sender
address, a domain or host to deliver to, and recipient information. address, a domain or host to deliver to, and recipient information.
This program expects to be run from the \fBmaster\fR(8) process This program expects to be run from the \fBmaster\fR(8) process
manager. manager. The process name, \fBsmtp\fR or \fBlmtp\fR, controls
the protocol, and the names of the configuration parameters
that will be used.
The SMTP+LMTP client updates the queue file and marks recipients The SMTP+LMTP client updates the queue file and marks recipients
as finished, or it informs the queue manager that delivery should as finished, or it informs the queue manager that delivery should
@ -199,11 +203,10 @@ address and TCP port.
.nf .nf
.ad .ad
.fi .fi
Before Postfix version 2.3, the LMTP client is a separate Postfix versions 2.3 and later implement the SMTP and LMTP
program that implements only a subset of the functionality client with the same program, and choose the protocol and
available with SMTP: there is no support for TLS, and configuration parameters based on the process name, \fBsmtp\fR
connections are cached in\-process, making it ineffective or \fBlmtp\fR.
when the client is used for multiple domains.
Most smtp_\fIxxx\fR configuration parameters have an Most smtp_\fIxxx\fR configuration parameters have an
lmtp_\fIxxx\fR "mirror" parameter for the equivalent LMTP lmtp_\fIxxx\fR "mirror" parameter for the equivalent LMTP

5
postfix/proto/postconf.proto
View File

@ -2733,6 +2733,11 @@ and later.</dd>
<dd>The domain part of the recipient address. </dd> <dd>The domain part of the recipient address. </dd>
<dt><b>ENVID</b></dt>
<dd>The optional RFC 3461 envelope ID. Available in Postfix version
3.9 and later</dd>
<dt><b>EXTENSION</b></dt> <dt><b>EXTENSION</b></dt>
<dd>The optional address extension. </dd> <dd>The optional address extension. </dd>

1
postfix/proto/stop
View File

@ -1587,3 +1587,4 @@ rpk
sni sni
Amawalk Amawalk
resychronization resychronization
ENVID

9
postfix/proto/stop.double-history
View File

@ -72,3 +72,12 @@ proto proto aliases proto virtual proto ADDRESS_REWRITING_README html
src postalias postalias c src postmap postmap c src postalias postalias c src postmap postmap c
src postalias postalias c src postmap postmap c src postalias postalias c src postmap postmap c
src smtpd smtpd c src smtpd smtpd_check c src smtpd smtpd c src smtpd smtpd_check c
not proxymap or proxywrite File proxymap proxymap c
still has its all zero SIZE record File postcat postcat c
manpage text File smtp smtp c
manpage text Files smtp smtp c global mail_proto h
File proxymap proxymap c
on process name Files smtp smtp c global mail_proto h
client process name File proxymap proxymap c
available Files local command c local local c
ID if available File pipe pipe c

2
postfix/proto/stop.spell-cc
View File

@ -1812,3 +1812,5 @@ rpk
ep ep
inlined inlined
stringz stringz
Sarvepalli
uXXXX

3
postfix/proto/stop.spell-history
View File

@ -63,3 +63,6 @@ Serg
Kinzler Kinzler
smtpstone smtpstone
spammy spammy
Birta
Levente
MariaDB

7
postfix/src/global/mail_proto.h
View File

@ -62,6 +62,13 @@
#define MAIL_SERVICE_TLSPROXY "tlsproxy" #define MAIL_SERVICE_TLSPROXY "tlsproxy"
#define MAIL_SERVICE_POSTLOG "postlog" #define MAIL_SERVICE_POSTLOG "postlog"
/*
* Process names: convention is to use the basename of an executable file,
* but there is nothing to enforce that.
*/
#define MAIL_PROC_NAME_SMTP "smtp"
#define MAIL_PROC_NAME_LMTP "lmtp"
/* /*
* Mail source classes. Used to specify policy decisions for content * Mail source classes. Used to specify policy decisions for content
* inspection and SMTPUTF8 detection. * inspection and SMTPUTF8 detection.

2
postfix/src/global/mail_version.h
View File

@ -20,7 +20,7 @@
* Patches change both the patchlevel and the release date. Snapshots have no * Patches change both the patchlevel and the release date. Snapshots have no
* patchlevel; they change the release date only. * patchlevel; they change the release date only.
*/ */
#define MAIL_RELEASE_DATE "20231112" #define MAIL_RELEASE_DATE "20231210"
#define MAIL_VERSION_NUMBER "3.9" #define MAIL_VERSION_NUMBER "3.9"
#ifdef SNAPSHOT #ifdef SNAPSHOT

5
postfix/src/local/command.c
View File

@ -17,7 +17,8 @@
/* Duplicate commands for the same recipient are suppressed. /* Duplicate commands for the same recipient are suppressed.
/* A limited amount of information is exported via the environment: /* A limited amount of information is exported via the environment:
/* HOME, SHELL, LOGNAME, USER, EXTENSION, DOMAIN, RECIPIENT (entire /* HOME, SHELL, LOGNAME, USER, EXTENSION, DOMAIN, RECIPIENT (entire
/* address) LOCAL (just the local part) and SENDER. The exported /* address) LOCAL (just the local part), SENDER, and ENVID
/* (see RFC 3461). The exported
/* information is censored with var_cmd_filter. /* information is censored with var_cmd_filter.
/* /*
/* Arguments: /* Arguments:
@ -169,6 +170,8 @@ int deliver_command(LOCAL_STATE state, USER_ATTR usr_attr, const char *comma
if (state.msg_attr.rcpt.orig_addr && state.msg_attr.rcpt.orig_addr[0]) if (state.msg_attr.rcpt.orig_addr && state.msg_attr.rcpt.orig_addr[0])
argv_add(env, "ORIGINAL_RECIPIENT", state.msg_attr.rcpt.orig_addr, argv_add(env, "ORIGINAL_RECIPIENT", state.msg_attr.rcpt.orig_addr,
ARGV_END); ARGV_END);
if (state.request->dsn_envid[0])
argv_add(env, "ENVID", state.request->dsn_envid, ARGV_END);
#define EXPORT_REQUEST(name, value) \ #define EXPORT_REQUEST(name, value) \
if ((value)[0]) argv_add(env, (name), (value), ARGV_END); if ((value)[0]) argv_add(env, (name), (value), ARGV_END);

27
postfix/src/local/local.c
View File

@ -207,27 +207,30 @@
/* is specified with the \fBcommand_expansion_filter\fR configuration /* is specified with the \fBcommand_expansion_filter\fR configuration
/* parameter. /* parameter.
/* .IP \fBSHELL\fR /* .IP \fBSHELL\fR
/* The recipient user's login shell. /* The envelope recipient user's login shell.
/* .IP \fBHOME\fR /* .IP \fBHOME\fR
/* The recipient user's home directory. /* The envelope recipient user's home directory.
/* .IP \fBUSER\fR /* .IP \fBUSER\fR
/* The bare recipient name. /* The bare envelope recipient name.
/* .IP \fBEXTENSION\fR /* .IP \fBEXTENSION\fR
/* The optional recipient address extension. /* The optional envelope recipient address extension.
/* .IP \fBDOMAIN\fR /* .IP \fBDOMAIN\fR
/* The recipient address domain part. /* The envelope recipient address domain part.
/* .IP \fBLOGNAME\fR /* .IP \fBLOGNAME\fR
/* The bare recipient name. /* The bare envelope recipient name.
/* .IP \fBLOCAL\fR /* .IP \fBLOCAL\fR
/* The entire recipient address localpart (text to the left of the /* The entire envelope recipient address localpart (text to
/* rightmost @ character). /* the left of the rightmost @ character).
/* .IP \fBORIGINAL_RECIPIENT\fR /* .IP \fBORIGINAL_RECIPIENT\fR
/* The entire recipient address, before any address rewriting /* The entire envelope recipient address, before any address
/* or aliasing (Postfix 2.5 and later). /* rewriting or aliasing (Postfix 2.5 and later).
/* .IP \fBRECIPIENT\fR /* .IP \fBRECIPIENT\fR
/* The entire recipient address. /* The entire envelope recipient address.
/* .IP \fBSENDER\fR /* .IP \fBSENDER\fR
/* The entire sender address. /* The entire envelope sender address.
/* .IP \fBENVID\fR
/* The optional RFC 3461 envelope ID. Available as of Postfix
/* 3.9.
/* .PP /* .PP
/* Additional remote client information is made available via /* Additional remote client information is made available via
/* the following environment variables: /* the following environment variables:

9
postfix/src/pipe/pipe.c
View File

@ -230,6 +230,11 @@
/* This information is modified by the \fBh\fR flag for case folding. /* This information is modified by the \fBh\fR flag for case folding.
/* .sp /* .sp
/* This feature is available as of Postfix 2.5. /* This feature is available as of Postfix 2.5.
/* .IP \fB${envid}\fR
/* This macro expands to the RFC 3461 envelope ID if available,
/* otherwise the empty string.
/* .sp
/* This feature is available as of Postfix 3.9.
/* .IP \fB${extension}\fR /* .IP \fB${extension}\fR
/* This macro expands to the extension part of a recipient address. /* This macro expands to the extension part of a recipient address.
/* For example, with an address \fIuser+foo@domain\fR the extension is /* For example, with an address \fIuser+foo@domain\fR the extension is
@ -544,6 +549,7 @@
#define PIPE_DICT_SASL_USERNAME "sasl_username" /* key */ #define PIPE_DICT_SASL_USERNAME "sasl_username" /* key */
#define PIPE_DICT_SASL_SENDER "sasl_sender" /* key */ #define PIPE_DICT_SASL_SENDER "sasl_sender" /* key */
#define PIPE_DICT_QUEUE_ID "queue_id" /* key */ #define PIPE_DICT_QUEUE_ID "queue_id" /* key */
#define PIPE_DICT_ENVID "envid" /* key */
/* /*
* Flags used to pass back the type of special parameter found by * Flags used to pass back the type of special parameter found by
@ -649,6 +655,7 @@ static int parse_callback(int type, VSTRING *buf, void *context)
PIPE_DICT_SASL_USERNAME, 0, PIPE_DICT_SASL_USERNAME, 0,
PIPE_DICT_SASL_SENDER, 0, PIPE_DICT_SASL_SENDER, 0,
PIPE_DICT_QUEUE_ID, 0, PIPE_DICT_QUEUE_ID, 0,
PIPE_DICT_ENVID, 0,
0, 0, 0, 0,
}; };
struct cmd_flags *p; struct cmd_flags *p;
@ -1278,6 +1285,8 @@ static int deliver_message(DELIVER_REQUEST *request, char *service, char **argv)
request->sasl_sender); request->sasl_sender);
dict_update(PIPE_DICT_TABLE, PIPE_DICT_QUEUE_ID, dict_update(PIPE_DICT_TABLE, PIPE_DICT_QUEUE_ID,
request->queue_id); request->queue_id);
dict_update(PIPE_DICT_TABLE, PIPE_DICT_ENVID,
request->dsn_envid);
vstring_free(buf); vstring_free(buf);
if ((expanded_argv = expand_argv(service, attr.command, if ((expanded_argv = expand_argv(service, attr.command,

2
postfix/src/postqueue/showq_json.c
View File

@ -96,7 +96,7 @@ static char *json_quote(VSTRING *result, const char *text)
VSTRING_ADDCH(result, 't'); VSTRING_ADDCH(result, 't');
break; break;
default: default:
vstring_sprintf(result, "\\u%04X", ch); vstring_sprintf_append(result, "\\u%04X", ch);
break; break;
} }
} else { } else {

13
postfix/src/posttls-finger/posttls-finger.c
View File

@ -2138,7 +2138,15 @@ static void parse_match(STATE *state, int argc, char *argv[])
#ifdef USE_TLS #ifdef USE_TLS
int smtp_mode = 1; int smtp_mode = 1;
/*
* DANE match names are configured late, once the TLSA records are in hand.
* For now, prepare to fall back to "secure".
*/
switch (state->level) { switch (state->level) {
default:
state->match = 0;
break;
case TLS_LEV_DANE:
case TLS_LEV_SECURE: case TLS_LEV_SECURE:
state->match = argv_alloc(2); state->match = argv_alloc(2);
while (*argv) while (*argv)
@ -2159,11 +2167,6 @@ static void parse_match(STATE *state, int argc, char *argv[])
tls_dane_add_fpt_digests(state->dane, state->options.enable_rpk, tls_dane_add_fpt_digests(state->dane, state->options.enable_rpk,
*argv++, "", smtp_mode); *argv++, "", smtp_mode);
break; break;
case TLS_LEV_DANE:
case TLS_LEV_DANE_ONLY:
state->match = argv_alloc(2);
argv_add(state->match, "nexthop", "hostname", ARGV_END);
break;
} }
#endif #endif
} }

38
postfix/src/proxymap/proxymap.c
View File

@ -37,7 +37,7 @@
/* .IP \(bu /* .IP \(bu
/* To provide single-updater functionality for lookup tables /* To provide single-updater functionality for lookup tables
/* that do not reliably support multiple writers (i.e. all /* that do not reliably support multiple writers (i.e. all
/* file-based tables). /* file-based tables that are not based on \fBlmdb\fR).
/* .PP /* .PP
/* The \fBproxymap\fR(8) server implements the following requests: /* The \fBproxymap\fR(8) server implements the following requests:
/* .IP "\fBopen\fR \fImaptype:mapname flags\fR" /* .IP "\fBopen\fR \fImaptype:mapname flags\fR"
@ -752,8 +752,10 @@ static void post_jail_init(char *service_name, char **unused_argv)
if (strcmp(service_name, MAIL_SERVICE_PROXYWRITE) == 0) if (strcmp(service_name, MAIL_SERVICE_PROXYWRITE) == 0)
proxy_writer = 1; proxy_writer = 1;
else if (strcmp(service_name, MAIL_SERVICE_PROXYMAP) != 0) else if (strcmp(service_name, MAIL_SERVICE_PROXYMAP) != 0)
msg_fatal("service name must be one of %s or %s", msg_fatal("invalid service name: \"%s\" - "
MAIL_SERVICE_PROXYWRITE, MAIL_SERVICE_PROXYMAP); "service name must be \"%s\" or \"%s\"",
service_name, MAIL_SERVICE_PROXYWRITE,
MAIL_SERVICE_PROXYMAP);
/* /*
* Pre-allocate buffers. * Pre-allocate buffers.
@ -841,6 +843,36 @@ int main(int argc, char **argv)
*/ */
MAIL_VERSION_STAMP_ALLOCATE; MAIL_VERSION_STAMP_ALLOCATE;
/*
* XXX When invoked with the master.cf service name "proxywrite", the
* proxymap daemon will allow update requests. To update a table that is
* not multi-writer safe (for example, some versions of Berkeley DB), the
* "proxywrite" service should run as a single updater (i.e. a process
* limit of 1, which could be enforced below by requesting
* CA_MAIL_SERVER_SOLITARY).
*
* In the default master.cf file, the "proxywrite" service has a process
* limit of 1. Assuming that updates will be rare, this process limit
* will suffice. Latency-sensitive services such as postscreen must not
* use the proxywrite service (in fact, postscreen has a latency check
* built-in).
*
* Optimizing for multi-writer operation would suffer from all kinds of
* complexity that would make it hard to use:
*
* - The master daemon specifies the "proxywrite" service name with the -n
* command-line option. This information is not known here, before the
* multi_server_main() call. The multi_server_main() function could
* reveal process limit information to its call-back functions, and leave
* single-updater enforcement to its call-back functions.
*
* - If we really want multi-writer update support, the "proxywrite" service
* would have to parse the $proxy_write_maps value, and permit
* multi-writer operation only if all tables are multi-writer safe. That
* would require a new dict(3) method, to query each lookup table
* implementation if it is multi-writer safe, without instantiating a
* lookup table client.
*/
multi_server_main(argc, argv, proxymap_service, multi_server_main(argc, argv, proxymap_service,
CA_MAIL_SERVER_STR_TABLE(str_table), CA_MAIL_SERVER_STR_TABLE(str_table),
CA_MAIL_SERVER_POST_INIT(post_jail_init), CA_MAIL_SERVER_POST_INIT(post_jail_init),

48
postfix/src/smtp/smtp.c
View File

@ -1,17 +1,21 @@
/*++ /*++
/* NAME /* NAME
/* smtp 8 /* smtp, lmtp 8
/* SUMMARY /* SUMMARY
/* Postfix SMTP+LMTP client /* Postfix SMTP+LMTP client
/* SYNOPSIS /* SYNOPSIS
/* \fBsmtp\fR [generic Postfix daemon options] [flags=DORX] /* \fBsmtp\fR [generic Postfix daemon options] [flags=DORX]
/*
/* \fBlmtp\fR [generic Postfix daemon options] [flags=DORX]
/* DESCRIPTION /* DESCRIPTION
/* The Postfix SMTP+LMTP client implements the SMTP and LMTP mail /* The Postfix SMTP+LMTP client implements the SMTP and LMTP mail
/* delivery protocols. It processes message delivery requests from /* delivery protocols. It processes message delivery requests from
/* the queue manager. Each request specifies a queue file, a sender /* the queue manager. Each request specifies a queue file, a sender
/* address, a domain or host to deliver to, and recipient information. /* address, a domain or host to deliver to, and recipient information.
/* This program expects to be run from the \fBmaster\fR(8) process /* This program expects to be run from the \fBmaster\fR(8) process
/* manager. /* manager. The process name, \fBsmtp\fR or \fBlmtp\fR, controls
/* the protocol, and the names of the configuration parameters
/* that will be used.
/* /*
/* The SMTP+LMTP client updates the queue file and marks recipients /* The SMTP+LMTP client updates the queue file and marks recipients
/* as finished, or it informs the queue manager that delivery should /* as finished, or it informs the queue manager that delivery should
@ -175,11 +179,10 @@
/* CONFIGURATION PARAMETERS /* CONFIGURATION PARAMETERS
/* .ad /* .ad
/* .fi /* .fi
/* Before Postfix version 2.3, the LMTP client is a separate /* Postfix versions 2.3 and later implement the SMTP and LMTP
/* program that implements only a subset of the functionality /* client with the same program, and choose the protocol and
/* available with SMTP: there is no support for TLS, and /* configuration parameters based on the process name, \fBsmtp\fR
/* connections are cached in-process, making it ineffective /* or \fBlmtp\fR.
/* when the client is used for multiple domains.
/* /*
/* Most smtp_\fIxxx\fR configuration parameters have an /* Most smtp_\fIxxx\fR configuration parameters have an
/* lmtp_\fIxxx\fR "mirror" parameter for the equivalent LMTP /* lmtp_\fIxxx\fR "mirror" parameter for the equivalent LMTP
@ -1470,6 +1473,19 @@ static void pre_init(char *unused_name, char **unused_argv)
0, -1, 0, -1,
}; };
/*
* The process name, "smtp" or "lmtp", determines the configuration
* parameters to use, protocol, DSN server reply type, SASL service
* information lookup, and more. We peeked at the name in the main()
* function before logging was initialized. Here, we detect and report an
* invalid process name.
*/
if (strcmp(var_procname, MAIL_PROC_NAME_SMTP) != 0
&& strcmp(var_procname, MAIL_PROC_NAME_LMTP) != 0)
msg_fatal("unexpected process name \"%s\" - "
"specify \"%s\" or \"%s\"", var_procname,
MAIL_PROC_NAME_SMTP, MAIL_PROC_NAME_LMTP);
/* /*
* Turn on per-peer debugging. * Turn on per-peer debugging.
*/ */
@ -1661,21 +1677,15 @@ int main(int argc, char **argv)
MAIL_VERSION_STAMP_ALLOCATE; MAIL_VERSION_STAMP_ALLOCATE;
/* /*
* XXX At this point, var_procname etc. are not initialized. * XXX The process name, "smtp" or "lmtp", determines what configuration
* * parameter settings to use, and more. However, at this point, logging
* The process name, "smtp" or "lmtp", determines the protocol, the DSN * and var_procname are not initialized. Here, we peek at the process
* server reply type, SASL service information lookup, and more. Prepare * name to determine what configuration parameter settings to use. Later,
* for the possibility there may be another personality. * we detect and report an invalid process name.
*/ */
sane_procname = sane_basename((VSTRING *) 0, argv[0]); sane_procname = sane_basename((VSTRING *) 0, argv[0]);
if (strcmp(sane_procname, "smtp") == 0) if (strcmp(sane_procname, MAIL_PROC_NAME_SMTP) == 0)
smtp_mode = 1; smtp_mode = 1;
else if (strcmp(sane_procname, "lmtp") == 0)
smtp_mode = 0;
else
/* TODO: logging is not initialized. */
msg_fatal("unexpected process name \"%s\" - "
"specify \"smtp\" or \"lmtp\"", var_procname);
/* /*
* Initialize with the LMTP or SMTP parameter name space. * Initialize with the LMTP or SMTP parameter name space.

10
postfix/src/smtpd/smtpd_check.c
View File

@ -5274,8 +5274,9 @@ static int check_recipient_rcpt_maps(SMTPD_STATE *state, const char *recipient)
{ {
/* /*
* Duplicate suppression. There's an implicit check_recipient_maps * Duplicate suppression. With "smtpd_reject_unlisted_recipient = yes",
* restriction at the end of all recipient restrictions. * there's an implicit reject_unlisted_recipient restriction at the end
* of all recipient restrictions.
*/ */
if (smtpd_input_transp_mask & INPUT_TRANSP_UNKNOWN_RCPT) if (smtpd_input_transp_mask & INPUT_TRANSP_UNKNOWN_RCPT)
return (0); return (0);
@ -5294,8 +5295,9 @@ static int check_sender_rcpt_maps(SMTPD_STATE *state, const char *sender)
{ {
/* /*
* Duplicate suppression. There's an implicit check_sender_maps * Duplicate suppression. With "smtpd_reject_unlisted_sender = yes",
* restriction at the end of all sender restrictions. * there's an implicit reject_unlisted_sender restriction at the end of
* all sender restrictions.
*/ */
if (smtpd_input_transp_mask & INPUT_TRANSP_UNKNOWN_RCPT) if (smtpd_input_transp_mask & INPUT_TRANSP_UNKNOWN_RCPT)
return (0); return (0);