Postfix End of Life (EOL), End of Support (EOS), EOSL, EOSS, and EOSM Dates
14 Postfix versions have reached End of Life (EOL) and End of Support (EOS), including Postfix 3.7 (EOL date: Mar 06, 2026) — no longer receiving security updates or patches. Postfix 3.11.1 is the current supported release — 4 versions in active support.
Currently Supported Postfix Releases - Active EOS/EOSL Support (4)
Postfix End of Life (EOL) Releases - No Longer Supported (14)
| Release | Released | Security Support | Latest | LTS |
|---|---|---|---|---|
| 3.7 | (4 years and 2 months ago) | (1 month and 1 week ago) | 3.7.20 (1 month and 4 weeks ago) | - |
| 3.6 | (4 years and 11 months ago) | (1 year and 2 months ago) | 3.6.18 (1 year and 1 month ago) | - |
| 3.5 | (6 years and 1 month ago) | (2 years and 1 month ago) | 3.5.25 (2 years and 1 month ago) | - |
| 3.4 | (7 years and 1 month ago) | (3 years ago) | 3.4.29 (2 years and 11 months ago) | - |
| 3.3 | (8 years and 1 month ago) | (4 years and 2 months ago) | 3.3.22 (4 years and 2 months ago) | - |
| 3.2 | (9 years and 1 month ago) | (4 years and 11 months ago) | 3.2.22 (5 years ago) | - |
| 3.1 | (10 years and 1 month ago) | (6 years and 1 month ago) | 3.1.15 (6 years and 2 months ago) | - |
| 3.0 | (11 years and 2 months ago) | (7 years and 1 month ago) | 3.0.15 (7 years and 1 month ago) | - |
| 2.11 | (12 years and 3 months ago) | (8 years and 1 month ago) | 2.11.11 (8 years and 2 months ago) | - |
| 2.10 | (13 years and 2 months ago) | (9 years and 1 month ago) | 2.10.10 (9 years and 11 months ago) | - |
| 2.9 | (14 years and 2 months ago) | (10 years and 1 month ago) | 2.9.15 (10 years and 6 months ago) | - |
| 2.8 | (15 years and 2 months ago) | (11 years and 2 months ago) | 2.8.20 (11 years and 2 months ago) | - |
| 2.6 | (16 years and 11 months ago) | (13 years and 2 months ago) | 2.6.19 (13 years and 2 months ago) | - |
| 2.5 | (18 years and 2 months ago) | (14 years and 2 months ago) | 2.5.17 (14 years and 2 months ago) | - |
Postfix End of Life & Support Summary
Which Postfix Versions Are Currently Supported?
Postfix currently has 4 supported releases. Postfix 3.11.1 is the latest. Postfix 3.10.
Postfix End of Life (EOL) Version History
14 Postfix releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Postfix 3.7 reached EOL on Mar 06, 2026. Postfix 3.11.1 is the recommended upgrade for users still on End of Life versions.