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[Bug 1089342] Re: Postfix uses temporary IPv6 address for outbound connections


** No longer affects: ubuntu-docs (Ubuntu)

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  Postfix uses temporary IPv6 address for outbound connections

Status in Ubuntu Server Guide:
Status in “postfix” package in Ubuntu:

Bug description:
  Refer to https://help.ubuntu.com/13.04/serverguide/postfix.html

  By default IPv6 privacy extensions is installed on Ubuntu server and
  temporary addresses are preferred.

  This means that outgoing connections from Postfix will use the
  temporary IPv6 addresses, which will likely fail reverse DNS checks
  and cause mail to bounce.

  Postfix should implement the requirements of RFC5014 and ensure that
  it sets the IPV6_PREFER_SRC_PUBLIC IPv6 socket option (or possibly
  provide a configuration option to enforce that requirement).

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: postfix (not installed)
  ProcVersionSignature: Ubuntu 3.2.0-34.53-generic 3.2.33
  Uname: Linux 3.2.0-34-generic x86_64
  ApportVersion: 2.0.1-0ubuntu15
  Architecture: amd64
  CheckboxSubmission: 55cafa5b8b82ed224cc59d444cb1fc25
  CheckboxSystem: 3e53d3ea5811723345f19eff5070f9ab
  Date: Wed Dec 12 11:51:28 2012
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MarkForUpload: True
  SourcePackage: postfix
  UpgradeStatus: Upgraded to precise on 2012-05-07 (218 days ago)

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