Postfix 3.11 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Postfix 3.11 is actively supported.
3.11.5 latest release
Check your versionpostconf mail_version
Support timeline
Official dates from the Postfix release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 6 Mar 2026 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 3.11.5 · 7 Jul 2026 | current |
Frequently asked questions
When does Postfix 3.11 reach end of life?
No end-of-life date has been announced for Postfix 3.11 yet.
Is Postfix 3.11 still supported?
Yes. Postfix 3.11 is currently maintained. Latest release: 3.11.5, published 7 Jul 2026.
What happens when Postfix 3.11 reaches end of life?
Security fixes stop. After — this branch receives no further updates under standard support.
How long do I have to upgrade from Postfix 3.11?
No end-of-life date has been announced yet.