Prereq: "2.4.4"
diff --exclude=man --exclude=html --exclude=README_FILES --exclude=.indent.pro --exclude=Makefile.in -cr /var/tmp/postfix-2.4.4/src/global/mail_version.h ./src/global/mail_version.h
*** /var/tmp/postfix-2.4.4/src/global/mail_version.h	Tue Jul 31 12:46:23 2007
--- ./src/global/mail_version.h	Tue Jul 31 20:04:41 2007
***************
*** 21,27 ****
    * patchlevel; they change the release date only.
    */
  #define MAIL_RELEASE_DATE	"20070731"
! #define MAIL_VERSION_NUMBER	"2.4.4"
  
  #ifdef SNAPSHOT
  # define MAIL_VERSION_DATE	"-" MAIL_RELEASE_DATE
--- 21,27 ----
    * patchlevel; they change the release date only.
    */
  #define MAIL_RELEASE_DATE	"20070731"
! #define MAIL_VERSION_NUMBER	"2.4.5"
  
  #ifdef SNAPSHOT
  # define MAIL_VERSION_DATE	"-" MAIL_RELEASE_DATE
diff --exclude=man --exclude=html --exclude=README_FILES --exclude=.indent.pro --exclude=Makefile.in -cr /var/tmp/postfix-2.4.4/HISTORY ./HISTORY
*** /var/tmp/postfix-2.4.4/HISTORY	Tue Jul 31 10:20:34 2007
--- ./HISTORY	Tue Jul 31 19:37:26 2007
***************
*** 13534,13536 ****
--- 13534,13542 ----
  	cleanup server would get out of sync with the milter when
  	a milter replied with ACCEPT at the DATA command. Files:
  	cleanup/cleanup_envelope.c, smtpd/smtpd.c, milter/milters.c.
+ 
+ 20070731
+ 
+ 	Bugfix: the loopback TCP performance workaround was ineffective
+ 	due to a wetware bit-flip during code cleanup.  File:
+ 	util/vstream_tweak.c.
diff --exclude=man --exclude=html --exclude=README_FILES --exclude=.indent.pro --exclude=Makefile.in -cr /var/tmp/postfix-2.4.4/src/util/vstream_tweak.c ./src/util/vstream_tweak.c
*** /var/tmp/postfix-2.4.4/src/util/vstream_tweak.c	Tue Jul 31 11:01:49 2007
--- ./src/util/vstream_tweak.c	Tue Jul 31 17:14:02 2007
***************
*** 128,134 ****
       */
  #else
      if (mss > VSTREAM_BUFSIZE) {
! 	int     nodelay = 0;
  
  	if ((err = setsockopt(vstream_fileno(fp), IPPROTO_TCP, TCP_NODELAY,
  			      (char *) &nodelay, sizeof(nodelay))) < 0)
--- 128,134 ----
       */
  #else
      if (mss > VSTREAM_BUFSIZE) {
! 	int     nodelay = 1;
  
  	if ((err = setsockopt(vstream_fileno(fp), IPPROTO_TCP, TCP_NODELAY,
  			      (char *) &nodelay, sizeof(nodelay))) < 0)