Prereq: "2.3.10"
diff -cr /var/tmp/postfix-2.3.10/src/global/mail_version.h ./src/global/mail_version.h
*** /var/tmp/postfix-2.3.10/src/global/mail_version.h	Wed May 30 20:19:18 2007
--- ./src/global/mail_version.h	Thu May 31 14:20:02 2007
***************
*** 20,27 ****
    * Patches change both the patchlevel and the release date. Snapshots have no
    * patchlevel; they change the release date only.
    */
! #define MAIL_RELEASE_DATE	"20070530"
! #define MAIL_VERSION_NUMBER	"2.3.10"
  
  #ifdef SNAPSHOT
  # define MAIL_VERSION_DATE	"-" MAIL_RELEASE_DATE
--- 20,27 ----
    * Patches change both the patchlevel and the release date. Snapshots have no
    * patchlevel; they change the release date only.
    */
! #define MAIL_RELEASE_DATE	"20070531"
! #define MAIL_VERSION_NUMBER	"2.3.11"
  
  #ifdef SNAPSHOT
  # define MAIL_VERSION_DATE	"-" MAIL_RELEASE_DATE
diff -cr /var/tmp/postfix-2.3.10/HISTORY ./HISTORY
*** /var/tmp/postfix-2.3.10/HISTORY	Wed May 30 20:18:34 2007
--- ./HISTORY	Thu May 31 11:22:44 2007
***************
*** 13039,13041 ****
--- 13039,13047 ----
  	to fail when the machine name is not found in /etc/hosts,
  	or that cause Postfix processes to hang when the network
  	is down.
+ 
+ 20070531
+ 
+ 	Portability: Victor helpfully pointed out that change
+ 	20070425 broke on non-IPv6 systems. Files: smtpd/smtpd_peer.c,
+ 	qmqpd/qmqpd_peer.c.
diff -cr /var/tmp/postfix-2.3.10/src/qmqpd/qmqpd_peer.c ./src/qmqpd/qmqpd_peer.c
*** /var/tmp/postfix-2.3.10/src/qmqpd/qmqpd_peer.c	Tue May  1 17:10:51 2007
--- ./src/qmqpd/qmqpd_peer.c	Thu May 31 11:22:44 2007
***************
*** 122,128 ****
--- 122,130 ----
  	 */
  	if (strchr((char *) proto_info->sa_family_list, sa->sa_family) == 0)
  	    msg_fatal("cannot handle socket type %s with \"%s = %s\"",
+ #ifdef AF_INET6
  		      sa->sa_family == AF_INET6 ? "AF_INET6" :
+ #endif
  		      sa->sa_family == AF_INET ? "AF_INET" :
  		      "other", VAR_INET_PROTOCOLS, var_inet_protocols);
  
diff -cr /var/tmp/postfix-2.3.10/src/smtpd/smtpd_peer.c ./src/smtpd/smtpd_peer.c
*** /var/tmp/postfix-2.3.10/src/smtpd/smtpd_peer.c	Fri May 11 20:08:28 2007
--- ./src/smtpd/smtpd_peer.c	Thu May 31 11:22:44 2007
***************
*** 189,195 ****
--- 189,197 ----
  	 */
  	if (strchr((char *) proto_info->sa_family_list, sa->sa_family) == 0)
  	    msg_fatal("cannot handle socket type %s with \"%s = %s\"",
+ #ifdef AF_INET6
  		      sa->sa_family == AF_INET6 ? "AF_INET6" :
+ #endif
  		      sa->sa_family == AF_INET ? "AF_INET" :
  		      "other", VAR_INET_PROTOCOLS, var_inet_protocols);