Postfix 2.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Postfix 2.5 reached end of life on 6 Feb 2012. It no longer receives security fixes.
5,298 days without security patches
Recommended action: upgrade to Postfix 3.11. Check your versionpostconf mail_version
Support timeline
Official dates from the Postfix release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 24 Jan 2008 | — |
| End of life | 6 Feb 2012 | 14.5 years ago |
| Latest release | 2.5.17 · 6 Feb 2012 | final |
Where to go from 2.5
Recommended target: Postfix 3.11.
The newest actively supported branch is Postfix 3.11 (latest release 3.11.5).
Frequently asked questions
Is Postfix 2.5 still safe to use?
Postfix 2.5 reached end of life on 6 Feb 2012, 5,298 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Postfix 2.5?
Yes — the final release (2.5.17) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Postfix 2.5 to?
Upgrade to Postfix 3.11, the newest actively supported branch.