[Bug 777356] [NEW] [fixed upstream, regression] Postfix smtp does not skip unknown XFORWARD attributes, causing SMTP syntax errors

[Matthias Andree]

Public bug reported:

Binary package hint: postfix

I've been bitten by a Postfix SMTP/LMTP implementation defect that has
been fixed in one of the upstream patch-level releases 2.7.X.

Basically Postfix sends XFORWARD PORT=unknown ... to amavsid via LMTP.
Amavisd later returns the same attribute to smtpd, which complains
noisily in the log.

Please upgrade the Postfix package to 2.7.3 to collect all bug fixes.
If that runs counter to your policy and you rather want each bug
reported separately to justify wasting developer time, you can extract
the fix from postfix-2.7-patch01.gz, available from all Postfix download
mirrors, for instance, http://www.artfiles.org/postfix.org/postfix-
release/official/postfix-2.7-patch01.gz

Details on the problem: http://news.gmane.org/find-
root.php?message_id=%3c4DC190BC.6020805%40gmx.de%3e

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: postfix 2.7.0-1ubuntu0.1
ProcVersionSignature: Ubuntu 2.6.32-31.61-generic-pae 2.6.32.32+drm33.14
Uname: Linux 2.6.32-31-generic-pae i686
Architecture: i386
Date: Wed May  4 20:56:47 2011
ProcEnviron:
 PATH=(custom, user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: postfix

** Affects: postfix (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid regression-release

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https://bugs.launchpad.net/bugs/777356

Title:
  [fixed upstream, regression] Postfix smtp does not skip unknown
  XFORWARD attributes, causing SMTP syntax errors