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[Launchpad Bug Tracker <937533@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package opendkim - 2.4.2+dfsg-0ubuntu1.1

---------------
opendkim (2.4.2+dfsg-0ubuntu1.1) oneiric-proposed; urgency=low

  * Add changes from upstream (fix already in 2.4.3/precise) to
    opendkim/opendkim-dns.c to fix crash with email addresses that have
    consecutive dots (example@xxxxxxxxxxxx) (LP: #937533)
 -- Scott Kitterman <scott@xxxxxxxxxxxxx>   Tue, 21 Feb 2012 15:04:37 -0500

** Changed in: opendkim (Ubuntu Oneiric)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/937533

Title:
  opendkim crashes on invalid sender address

Status in “opendkim” package in Ubuntu:
  Fix Released
Status in “opendkim” source package in Oneiric:
  Fix Released

Bug description:
  opendkim crashes, probably on a malformed sender address:

  Feb 18 16:01:55 gabriel-2 opendkim[972]: 1FEF4123A68: external host blade05.zfn.uni-bremen.de attempted to send as t-online..de
  Feb 18 16:01:55 gabriel-2 postfix/cleanup[6445]: warning: milter inet:localhost:8891: can't read SMFIC_BODYEOB reply packet header: Success
  Feb 18 16:01:55 gabriel-2 postfix/cleanup[6445]: 1FEF4123A68: milter-reject: END-OF-MESSAGE from blade05.zfn.uni-bremen.de[134.102.20.129]: 4.7.1 Service unavailable - try again later; from=<XXX@xxxxxxxxxxxxx> to=<YYY@xxxxxxxxxxxxx> proto=ESMTP helo=<blade05.zfn.uni-bremen.de>

  Afterwards opendkim is gone:

  Feb 18 16:01:55 gabriel-2 postfix/smtpd[2678]: warning: connect to
  Milter service inet:localhost:8891: Connection refused

  My suspicion is that the two consecutive dots in 't-online..de' (see
  first line) cause the crash.

  OS is Ubuntu 11.10 with updates applied. Opendkim is version 2.4.2
  +dfsg-0ubuntu1.

  TEST CASE: Install the updated packages and verify correct operation
  from logs.  Check logs for an instance of sequential dots in an email
  address.  If opendkim didn't crash, this is fixed.

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