[Bug 764096] [NEW] DNS hostname lookups fail in chroot after natty upgrade

[Kenyon Ralph]

Public bug reported:

Binary package hint: postfix

I haven't yet determined the cause of this, but after upgrading to natty
from maverick, postfix smtpd DNS lookups always fail when running in
chroot (which is the default). This can be seen by lines like
"postfix/smtpd[12287]: connect from unknown" in mail.log, where unknown
should be the hostname. After editing master.cf so that smtpd is not in
a chroot, hostname lookups work normally, as can be seen in mail.log.

There were no changes in my configuration other than upgrading from
maverick to natty. Hostname lookups worked fine in chroot with maverick.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: postfix 2.8.2-1ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Sun Apr 17 16:46:24 2011
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/sh
SourcePackage: postfix
UpgradeStatus: Upgraded to natty on 2011-04-16 (1 days ago)

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


** Tags: apport-bug i386 natty

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https://bugs.launchpad.net/bugs/764096

Title:
  DNS hostname lookups fail in chroot after natty upgrade