diff --git a/postfix/HISTORY b/postfix/HISTORY
index 36a2f2329..918563b10 100644
--- a/postfix/HISTORY
+++ b/postfix/HISTORY
@@ -15992,3 +15992,8 @@ Apologies for any names omitted.
 	this increases the database update frequency too much then
 	we'll need to make dnsbl result non-cachable.  Files:
 	postscreen/postscreen_dnsbl.c, global/mail_params.h.
+
+20100915
+
+	Bugfix (introduced 20100914): missing precondition for
+	call-back notification.  File: postscreen/dnsblog.c.
diff --git a/postfix/README_FILES/POSTSCREEN_README b/postfix/README_FILES/POSTSCREEN_README
index 1e4077ac9..a11a3d05c 100644
--- a/postfix/README_FILES/POSTSCREEN_README
+++ b/postfix/README_FILES/POSTSCREEN_README
@@ -393,10 +393,10 @@ whitelist entry that excludes the client IP address from further tests until
 the temporary whitelist entry expires, as controlled with the postscreen_*_ttl
 parameters.
 
-When no "deep protocol tests" are configured, postscreen(8) passes the "live"
-connection to a Postfix SMTP server process. The client can then continue as if
-postscreen(8) never even existed (except for the short postscreen_greet_wait
-delay).
+When no "deep protocol tests" are configured, postscreen(8) hands off the
+"live" connection to a Postfix SMTP server process. The client can then
+continue as if postscreen(8) never even existed (except for the short
+postscreen_greet_wait delay).
 
 When any "deep protocol tests" are configured, postscreen(8) cannot hand off
 the "live" connection to a Postfix SMTP server process in the middle of the
diff --git a/postfix/html/POSTSCREEN_README.html b/postfix/html/POSTSCREEN_README.html
index f76d1050c..3843d51a0 100644
--- a/postfix/html/POSTSCREEN_README.html
+++ b/postfix/html/POSTSCREEN_README.html
@@ -540,7 +540,7 @@ address from further tests until the temporary whitelist entry
 expires, as controlled with the postscreen_*_ttl parameters. </p>
 
 <p> When no "<a href="#after_220">deep protocol tests</a>" are
-configured, <a href="postscreen.8.html">postscreen(8)</a> passes the "live" connection to a Postfix
+configured, <a href="postscreen.8.html">postscreen(8)</a> hands off the "live" connection to a Postfix
 SMTP server process.  The client can then continue as if <a href="postscreen.8.html">postscreen(8)</a>
 never even existed (except for the short <a href="postconf.5.html#postscreen_greet_wait">postscreen_greet_wait</a> delay).
 </p>
diff --git a/postfix/proto/POSTSCREEN_README.html b/postfix/proto/POSTSCREEN_README.html
index eea09e735..036015f0d 100644
--- a/postfix/proto/POSTSCREEN_README.html
+++ b/postfix/proto/POSTSCREEN_README.html
@@ -540,7 +540,7 @@ address from further tests until the temporary whitelist entry
 expires, as controlled with the postscreen_*_ttl parameters. </p>
 
 <p> When no "<a href="#after_220">deep protocol tests</a>" are
-configured, postscreen(8) passes the "live" connection to a Postfix
+configured, postscreen(8) hands off the "live" connection to a Postfix
 SMTP server process.  The client can then continue as if postscreen(8)
 never even existed (except for the short postscreen_greet_wait delay).
 </p>
diff --git a/postfix/src/global/mail_version.h b/postfix/src/global/mail_version.h
index 47369cd68..d065a2c6d 100644
--- a/postfix/src/global/mail_version.h
+++ b/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	"20100914"
+#define MAIL_RELEASE_DATE	"20100915"
 #define MAIL_VERSION_NUMBER	"2.8"
 
 #ifdef SNAPSHOT
diff --git a/postfix/src/postscreen/postscreen_dnsbl.c b/postfix/src/postscreen/postscreen_dnsbl.c
index f40520f8e..fffc6b49b 100644
--- a/postfix/src/postscreen/postscreen_dnsbl.c
+++ b/postfix/src/postscreen/postscreen_dnsbl.c
@@ -357,19 +357,16 @@ static void ps_dnsbl_receive(int event, char *context)
 	}
 	if (reply_argv != 0)
 	    argv_free(reply_argv);
-    } else {
-	msg_warn("%s: unexpected event: %d", myname, event);
+
+	/*
+	 * Notify the requestor(s) that the result is ready to be picked up.
+	 * If this call isn't made, clients have to sit out the entire
+	 * pre-handshake delay.
+	 */
+	score->pending_lookups -= 1;
+	if (score->pending_lookups == 0)
+	    PS_CALL_BACK_NOTIFY(score, PS_NULL_EVENT);
     }
-
-    /*
-     * We're done with this stream. Notify the requestor(s) that the result
-     * is ready to be picked up. If this call isn't made, clients have to sit
-     * out the entire pre-handshake delay.
-     */
-    score->pending_lookups -= 1;
-    if (score->pending_lookups == 0)
-	PS_CALL_BACK_NOTIFY(score, PS_NULL_EVENT);
-
     vstream_fclose(stream);
 }