postfix-announce

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Postix official release 2.4.6, 2.3.13, 2.2.12 available. Wietse Venema Tue Oct 23 00:08:23 2007

Postfix stable release 2.4.6 etc. fix minor problems in the SMTP
client, and work around "noatime" mail queues. Note: stable releases
do not change except for bugfixes and emergencies. New features are
introduced via the experimental release (currently, Postfix 2.5).

- A remote SMTP client TLS certificate with an unparsable canonical
  name triggered a panic error in the Postfix SMTP server (attempt
  to allocate zero-length memory) while sending a request to an
  SMTPD policy server.

- On backup MX servers where the queue file system is mounted with
  "atime" (file read/execute access time) updates disabled, the
  flush daemon would trigger mail delivery attempts once every 1000
  seconds, thus rendering the maximal_backoff_time setting useless
  for backup MX service.

With Postfix 2.2.12, the following erratum was fixed, back-ported
from Postfix 2.3:

- With remote SMTP server tarpit delays larger than smtp_rset_timeout,
  the Postfix SMTP client could get out of sync with the remote
  SMTP server while reusing a connection.  The symptoms were
  "recipient rejected .. in reply to DATA".

Available from the mirrors listed at http://www.postfix.org/downloads.html

     1966 Oct 17 12:15 postfix-2.4-patch06.gz
   472969 Oct 17 11:47 postfix-2.4.6.HISTORY
     9175 Jul 20 11:27 postfix-2.4.6.RELEASE_NOTES
  2935249 Oct 17 12:15 postfix-2.4.6.tar.gz
      280 Oct 17 12:15 postfix-2.4.6.tar.gz.sig

     1478 Oct 17 13:14 postfix-2.3-patch13.gz
   455345 Oct 17 12:28 postfix-2.3.13.HISTORY
    36337 Feb  2  2007 postfix-2.3.13.RELEASE_NOTES
  2790843 Oct 17 13:15 postfix-2.3.13.tar.gz
      280 Oct 17 13:15 postfix-2.3.13.tar.gz.sig

     2373 Oct 21 10:11 postfix-2.2-patch12.gz
   380096 Oct 21 10:05 postfix-2.2.12.HISTORY
    20345 Jul  7  2006 postfix-2.2.12.RELEASE_NOTES
  2445491 Oct 21 10:12 postfix-2.2.12.tar.gz
      280 Oct 21 10:13 postfix-2.2.12.tar.gz.sig

A patch for stress-adaptive behavior, making Postfix more responsive
when all its SMTP server ports are busy, will be made available
separately.  This feature is currently built into Postfix only with
the experimental (2.5) release.

        Wietse