postfix-2.4-20070201

postfix/HISTORY

@@ -13166,6 +13166,19 @@ Apologies for any names omitted.
 	minor updates: global/dict_ldap.c, mantools/postlink,
 	tlsmgs/tlsmgr.c, conf/master.cf. LaMont Jones.
 
+20070101
+
+	Portability: GNU Hurd support for multiple kernel environments.
+	LaMont Jones. Files: util/sys_defs.h, makedefs.
+
+	Cleanup: some default settings were adjusted to better fit
+	today's environment: queue_run_delay and minimal_backoff_time
+	were reduced from 1000s to 300s, so that deliveries are
+	retried earlier after the first failure; ipc_idle was reduced
+	from 100s to 5s, so that tlsmgr and scache clients will
+	more quickly release unused file handles. Files:
+	global/mail_params.h, proto/postconf.5.html
+
 Wish list:
 
 	Update message content length when adding/removing headers.
@@ -13186,8 +13199,9 @@ Wish list:
 	Make postmap header/body aware so people can test multi-line
 	header checks.
 
-	Investigate if clients of single-instance servers such as
+	Eliminate Linux 1024 select() file handle bottleneck and
-	tlsmgr, verify, can close sockets earlier.
+	eliminate select()/poll() scaling problems by implementing
+	kqueue(2) and epoll(2) support.
 
 	REDIRECT should override original recipient info, and
 	probably override DSN as well.

postfix/RELEASE_NOTES

@@ -17,6 +17,19 @@ Incompatibility with Postfix 2.2 and earlier
 If you upgrade from Postfix 2.2 or earlier, read RELEASE_NOTES-2.3
 before proceeding.
 
+Incompatibility with Postfix snapshot 20070201
+==============================================
+
+Some default settings have been adjusted to better match contemporary
+requirements:
+
+- queue_run_delay and minimal_backoff_time were reduced from 1000s
+to 300s so that deliveries are retried earlier after the first
+failure.
+
+- ipc_idle was reduced from 100s to 5s, so that tlsmgr and scache
+clients will more quickly release unused file handles.
+
 Major changes with Postfix snapshot 20070121
 ============================================
 

postfix/html/oqmgr.8.html

@@ -232,7 +232,7 @@ OQMGR(8)                                                              OQMGR(8)
               Idem, for delivery via the named message <i>transport</i>.
 
 <b>OTHER RESOURCE AND RATE CONTROLS</b>
-       <b><a href="postconf.5.html#minimal_backoff_time">minimal_backoff_time</a> (1000s)</b>
+       <b><a href="postconf.5.html#minimal_backoff_time">minimal_backoff_time</a> (version dependent)</b>
               The minimal time  between  attempts  to  deliver  a
               deferred message.
 
@@ -244,7 +244,7 @@ OQMGR(8)                                                              OQMGR(8)
               The maximal time a message is queued before  it  is
               sent back as undeliverable.
 
-       <b><a href="postconf.5.html#queue_run_delay">queue_run_delay</a> (1000s)</b>
+       <b><a href="postconf.5.html#queue_run_delay">queue_run_delay</a> (version dependent)</b>
               The  time between <a href="QSHAPE_README.html#deferred_queue">deferred queue</a> scans by the queue
               manager.
 

postfix/html/postconf.5.html

@@ -3032,7 +3032,7 @@ Do not change this unless you have a complete understanding of <a href="http://w
 </DD>
 
 <DT><b><a name="ipc_idle">ipc_idle</a>
-(default: 100s)</b></DT><DD>
+(default: version dependent)</b></DT><DD>
 
 <p>
 The time after which a client closes an idle internal communication
@@ -3041,6 +3041,8 @@ after they become idle. This is used, for example, by the address
 resolving and rewriting clients.
 </p>
 
+<p> With Postfix 2.4 the default value was reduced from 100s to 5s. </p>
+
 <p>
 Time units: s (seconds), m (minutes), h (hours), d (days), w (weeks).
 The default time unit is s (seconds).
@@ -5250,7 +5252,7 @@ This feature is available in Postfix 2.0 and later.
 </DD>
 
 <DT><b><a name="minimal_backoff_time">minimal_backoff_time</a>
-(default: 1000s)</b></DT><DD>
+(default: version dependent)</b></DT><DD>
 
 <p>
 The minimal time between attempts to deliver a deferred message.
@@ -5258,6 +5260,9 @@ This parameter also limits the time an unreachable destination is
 kept in the short-term, in-memory, destination status cache.
 </p>
 
+<p> With Postfix 2.4 the default value was reduced from 1000s to
+300s.  </p>
+
 <p> This parameter should be set greater than or equal to
 $<a href="postconf.5.html#queue_run_delay">queue_run_delay</a>. See also $<a href="postconf.5.html#maximal_backoff_time">maximal_backoff_time</a>.  </p>
 
@@ -6050,12 +6055,16 @@ zero means there is no minimum required amount of free space.
 </DD>
 
 <DT><b><a name="queue_run_delay">queue_run_delay</a>
-(default: 1000s)</b></DT><DD>
+(default: version dependent)</b></DT><DD>
 
 <p>
 The time between <a href="QSHAPE_README.html#deferred_queue">deferred queue</a> scans by the queue manager.
 </p>
 
+<p>
+With Postfix 2.4 the default value was reduced from 1000s to 300s.
+</p>
+
 <p> This parameter should be set less than or equal to
 $<a href="postconf.5.html#minimal_backoff_time">minimal_backoff_time</a>. See also $<a href="postconf.5.html#maximal_backoff_time">maximal_backoff_time</a>.  </p>
 

postfix/html/qmgr.8.html

@@ -305,7 +305,7 @@ QMGR(8)                                                                QMGR(8)
               Idem, for delivery via the named message <i>transport</i>.
 
 <b>OTHER RESOURCE AND RATE CONTROLS</b>
-       <b><a href="postconf.5.html#minimal_backoff_time">minimal_backoff_time</a> (1000s)</b>
+       <b><a href="postconf.5.html#minimal_backoff_time">minimal_backoff_time</a> (version dependent)</b>
               The minimal time  between  attempts  to  deliver  a
               deferred message.
 
@@ -317,7 +317,7 @@ QMGR(8)                                                                QMGR(8)
               The maximal time a message is queued before  it  is
               sent back as undeliverable.
 
-       <b><a href="postconf.5.html#queue_run_delay">queue_run_delay</a> (1000s)</b>
+       <b><a href="postconf.5.html#queue_run_delay">queue_run_delay</a> (version dependent)</b>
               The  time between <a href="QSHAPE_README.html#deferred_queue">deferred queue</a> scans by the queue
               manager.
 

postfix/makedefs

@@ -266,6 +266,42 @@ case "$SYSTEM.$RELEASE" in
 		2.[0-3].*) CCARGS="$CCARGS -DNO_IPV6";;
 		esac
 		;;
+     GNU.0.*)
+     		SYSTYPE=GNU0
+		# Postfix no longer needs DB 1.85 compatibility
+		if [ -f /usr/include/db.h ]
+		then
+		    : we are all set
+		elif [ -f /usr/include/db/db.h ]
+		then
+		    CCARGS="$CCARGS -I/usr/include/db"
+		else
+		    # No, we're not going to try db1 db2 db3 etc.
+		    # On a properly installed system, Postfix builds
+		    # by including <db.h> and by linking with -ldb
+		    echo "No <db.h> include file found." 1>&2
+		    echo "Install the appropriate db*-devel package first." 1>&2
+		    echo "See the RELEASE_NOTES file for more information." 1>&2
+		    exit 1
+		fi
+		SYSLIBS="-ldb"
+		for name in nsl resolv
+		do
+		    for lib in /usr/lib64 /lib64 /usr/lib /lib
+		    do
+			test -e $lib/lib$name.a -o -e $lib/lib$name.so && {
+			    SYSLIBS="$SYSLIBS -l$name"
+			    break
+			}
+		    done
+		done
+		case "`uname -s`" in
+		GNU)
+			# currently no IPv6 support on Hurd
+			CCARGS="$CCARGS -DNO_IPV6"
+			;;
+		esac
+		;;
      IRIX*.5.*)	SYSTYPE=IRIX5
 		# Use the native compiler by default
 		: ${CC=cc} ${DEBUG="-g3"}

postfix/man/man5/postconf.5

@@ -1644,12 +1644,14 @@ HELO or EHLO command parameter is rejected by the reject_invalid_helo_hostname
 restriction.
 .PP
 Do not change this unless you have a complete understanding of RFC 821.
-.SH ipc_idle (default: 100s)
+.SH ipc_idle (default: version dependent)
 The time after which a client closes an idle internal communication
 channel.  The purpose is to allow servers to terminate voluntarily
 after they become idle. This is used, for example, by the address
 resolving and rewriting clients.
 .PP
+With Postfix 2.4 the default value was reduced from 100s to 5s.
+.PP
 Time units: s (seconds), m (minutes), h (hours), d (days), w (weeks).
 The default time unit is s (seconds).
 .SH ipc_timeout (default: 3600s)
@@ -2846,11 +2848,14 @@ The maximal recursion level that the MIME processor will handle.
 Postfix refuses mail that is nested deeper than the specified limit.
 .PP
 This feature is available in Postfix 2.0 and later.
-.SH minimal_backoff_time (default: 1000s)
+.SH minimal_backoff_time (default: version dependent)
 The minimal time between attempts to deliver a deferred message.
 This parameter also limits the time an unreachable destination is
 kept in the short-term, in-memory, destination status cache.
 .PP
+With Postfix 2.4 the default value was reduced from 1000s to
+300s.
+.PP
 This parameter should be set greater than or equal to
 $queue_run_delay. See also $maximal_backoff_time.
 .PP
@@ -3299,9 +3304,11 @@ value that is at least 1.5*$message_size_limit.
 .PP
 With Postfix versions 2.0 and earlier, a queue_minfree value of
 zero means there is no minimum required amount of free space.
-.SH queue_run_delay (default: 1000s)
+.SH queue_run_delay (default: version dependent)
 The time between deferred queue scans by the queue manager.
 .PP
+With Postfix 2.4 the default value was reduced from 1000s to 300s.
+.PP
 This parameter should be set less than or equal to
 $minimal_backoff_time. See also $maximal_backoff_time.
 .PP

postfix/man/man8/oqmgr.8

@@ -226,14 +226,14 @@ Idem, for delivery via the named message \fItransport\fR.
 .nf
 .ad
 .fi
-.IP "\fBminimal_backoff_time (1000s)\fR"
+.IP "\fBminimal_backoff_time (version dependent)\fR"
 The minimal time between attempts to deliver a deferred message.
 .IP "\fBmaximal_backoff_time (4000s)\fR"
 The maximal time between attempts to deliver a deferred message.
 .IP "\fBmaximal_queue_lifetime (5d)\fR"
 The maximal time a message is queued before it is sent back as
 undeliverable.
-.IP "\fBqueue_run_delay (1000s)\fR"
+.IP "\fBqueue_run_delay (version dependent)\fR"
 The time between deferred queue scans by the queue manager.
 .IP "\fBtransport_retry_time (60s)\fR"
 The time between attempts by the Postfix queue manager to contact

postfix/man/man8/qmgr.8

@@ -274,14 +274,14 @@ Idem, for delivery via the named message \fItransport\fR.
 .nf
 .ad
 .fi
-.IP "\fBminimal_backoff_time (1000s)\fR"
+.IP "\fBminimal_backoff_time (version dependent)\fR"
 The minimal time between attempts to deliver a deferred message.
 .IP "\fBmaximal_backoff_time (4000s)\fR"
 The maximal time between attempts to deliver a deferred message.
 .IP "\fBmaximal_queue_lifetime (5d)\fR"
 The maximal time a message is queued before it is sent back as
 undeliverable.
-.IP "\fBqueue_run_delay (1000s)\fR"
+.IP "\fBqueue_run_delay (version dependent)\fR"
 The time between deferred queue scans by the queue manager.
 .IP "\fBtransport_retry_time (60s)\fR"
 The time between attempts by the Postfix queue manager to contact

postfix/proto/postconf.proto

@@ -1819,7 +1819,7 @@ restriction.
 Do not change this unless you have a complete understanding of RFC 821.
 </p>
 
-%PARAM ipc_idle 100s
+%PARAM ipc_idle version dependent
 
 <p>
 The time after which a client closes an idle internal communication
@@ -1828,6 +1828,8 @@ after they become idle. This is used, for example, by the address
 resolving and rewriting clients.
 </p>
 
+<p> With Postfix 2.4 the default value was reduced from 100s to 5s. </p>
+
 <p>
 Time units: s (seconds), m (minutes), h (hours), d (days), w (weeks).
 The default time unit is s (seconds).
@@ -2618,7 +2620,7 @@ Specify 0 when mail delivery should be tried only once.
 The maximal size in bytes of a message, including envelope information.
 </p>
 
-%PARAM minimal_backoff_time 1000s
+%PARAM minimal_backoff_time version dependent
 
 <p>
 The minimal time between attempts to deliver a deferred message.
@@ -2626,6 +2628,9 @@ This parameter also limits the time an unreachable destination is
 kept in the short-term, in-memory, destination status cache.
 </p>
 
+<p> With Postfix 2.4 the default value was reduced from 1000s to
+300s.  </p>
+
 <p> This parameter should be set greater than or equal to
 $queue_run_delay. See also $maximal_backoff_time.  </p>
 
@@ -3069,12 +3074,16 @@ With Postfix versions 2.0 and earlier, a queue_minfree value of
 zero means there is no minimum required amount of free space.
 </p>
 
-%PARAM queue_run_delay 1000s
+%PARAM queue_run_delay version dependent
 
 <p>
 The time between deferred queue scans by the queue manager.
 </p>
 
+<p>
+With Postfix 2.4 the default value was reduced from 1000s to 300s.
+</p>
+
 <p> This parameter should be set less than or equal to
 $minimal_backoff_time. See also $maximal_backoff_time.  </p>
 

postfix/src/global/mail_params.h

@@ -632,10 +632,10 @@ extern char *var_relocated_maps;
   * queue before it is sent back.
   */
 #define VAR_QUEUE_RUN_DELAY	"queue_run_delay"
-#define DEF_QUEUE_RUN_DELAY     "1000s"
+#define DEF_QUEUE_RUN_DELAY     "300s"
 
 #define VAR_MIN_BACKOFF_TIME	"minimal_backoff_time"
-#define DEF_MIN_BACKOFF_TIME    "1000s"
+#define DEF_MIN_BACKOFF_TIME    DEF_QUEUE_RUN_DELAY
 extern int var_min_backoff_time;
 
 #define VAR_MAX_BACKOFF_TIME	"maximal_backoff_time"
@@ -813,7 +813,7 @@ extern int var_event_drain;
   * IPC connection before closing it because it is idle for too much time.
   */
 #define VAR_IPC_IDLE		"ipc_idle"
-#define DEF_IPC_IDLE		"100s"
+#define DEF_IPC_IDLE		"5s"
 extern int var_ipc_idle_limit;
 
  /*

postfix/src/global/mail_version.h

@@ -20,7 +20,7 @@
   * Patches change both the patchlevel and the release date. Snapshots have no
   * patchlevel; they change the release date only.
   */
-#define MAIL_RELEASE_DATE	"20070131"
+#define MAIL_RELEASE_DATE	"20070201"
 #define MAIL_VERSION_NUMBER	"2.4"
 
 #ifdef SNAPSHOT

postfix/src/oqmgr/qmgr.c

@@ -192,14 +192,14 @@
 /* OTHER RESOURCE AND RATE CONTROLS
 /* .ad
 /* .fi
-/* .IP "\fBminimal_backoff_time (1000s)\fR"
+/* .IP "\fBminimal_backoff_time (version dependent)\fR"
 /*	The minimal time between attempts to deliver a deferred message.
 /* .IP "\fBmaximal_backoff_time (4000s)\fR"
 /*	The maximal time between attempts to deliver a deferred message.
 /* .IP "\fBmaximal_queue_lifetime (5d)\fR"
 /*	The maximal time a message is queued before it is sent back as
 /*	undeliverable.
-/* .IP "\fBqueue_run_delay (1000s)\fR"
+/* .IP "\fBqueue_run_delay (version dependent)\fR"
 /*	The time between deferred queue scans by the queue manager.
 /* .IP "\fBtransport_retry_time (60s)\fR"
 /*	The time between attempts by the Postfix queue manager to contact

postfix/src/qmgr/qmgr.c

@@ -238,14 +238,14 @@
 /* OTHER RESOURCE AND RATE CONTROLS
 /* .ad
 /* .fi
-/* .IP "\fBminimal_backoff_time (1000s)\fR"
+/* .IP "\fBminimal_backoff_time (version dependent)\fR"
 /*	The minimal time between attempts to deliver a deferred message.
 /* .IP "\fBmaximal_backoff_time (4000s)\fR"
 /*	The maximal time between attempts to deliver a deferred message.
 /* .IP "\fBmaximal_queue_lifetime (5d)\fR"
 /*	The maximal time a message is queued before it is sent back as
 /*	undeliverable.
-/* .IP "\fBqueue_run_delay (1000s)\fR"
+/* .IP "\fBqueue_run_delay (version dependent)\fR"
 /*	The time between deferred queue scans by the queue manager.
 /* .IP "\fBtransport_retry_time (60s)\fR"
 /*	The time between attempts by the Postfix queue manager to contact

postfix/src/util/sys_defs.h

@@ -736,6 +736,69 @@ extern int initgroups(const char *, int);
 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
 #define CANT_USE_SEND_RECV_MSG
 #define DEF_SMTP_CACHE_DEMAND	0
+#endif
+
+ /*
+  * GNU.
+  */
+#ifdef GNU0
+#define SUPPORTED
+#include <sys/types.h>
+#include <features.h>
+#define USE_PATHS_H
+#define HAS_FCNTL_LOCK
+#define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
+#define DEF_MAILBOX_LOCK "fcntl, dotlock"	/* RedHat >= 4.x */
+#define HAS_FSYNC
+#define HAS_DB
+#define DEF_DB_TYPE	"hash"
+#define ALIAS_DB_MAP	"hash:/etc/aliases"
+#define HAS_NIS
+#define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
+#define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin"
+#define FIONREAD_IN_TERMIOS_H
+#define USE_STATFS
+#define STATFS_IN_SYS_VFS_H
+#define UNIX_DOMAIN_CONNECT_BLOCKS_FOR_ACCEPT
+#define PREPEND_PLUS_TO_OPTSTRING
+#define HAS_POSIX_REGEXP
+#define HAS_DLOPEN
+#define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail"
+#define NATIVE_MAILQ_PATH "/usr/bin/mailq"
+#define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases"
+#define NATIVE_COMMAND_DIR "/usr/sbin"
+#ifdef DEBIAN
+#define NATIVE_DAEMON_DIR	"/usr/lib/postfix"
+#ifndef DEF_MANPAGE_DIR
+#define DEF_MANPAGE_DIR		"/usr/share/man"
+#endif
+#ifndef DEF_SAMPLE_DIR
+#define DEF_SAMPLE_DIR		"/usr/share/doc/postfix/examples"
+#endif
+#ifndef DEF_README_DIR
+#define DEF_README_DIR		"/usr/share/doc/postfix"
+#endif
+#else
+#define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
+#endif
+#define SOCKADDR_SIZE	socklen_t
+#define SOCKOPT_SIZE	socklen_t
+#ifdef __FreeBSD_kernel__
+# define HAS_DUPLEX_PIPE
+# define HAS_ISSETUGID
+#endif
+#ifndef NO_IPV6
+# define HAS_IPV6
+# ifdef __FreeBSD_kernel__
+#  define HAVE_GETIFADDRS
+# else
+#  define HAS_PROCNET_IFINET6
+#  define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
+# endif
+#endif
+#define CANT_USE_SEND_RECV_MSG
+#define DEF_SMTP_CACHE_DEMAND	0
+#define HAS_DEV_URANDOM
 #endif
 
  /*