MailcowvsPostal
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Mailcow | Postal | |
|---|---|---|
| Score | 77/100 | 72/100 |
| Rank in category | #2 of 106 in Email | #3 of 16 in Mail Server |
| GitHub stars | 13 713 | 16 897 |
| Stars, last 30 days | +215 | +73 |
| Stable releases, 12 months | 16 | 3 |
| Latest release | 2026-10 · 21 Oct 2026 | 3.3.7 · 3 Jun 2026 |
| Setup | Advanced | Advanced |
| Official Docker image | No | Yes |
| License | GPL-3.0 | MIT |
| Main language | JavaScript | Ruby |
Which one should you pick?
Mailcow scores 77/100 against 72/100 for Postal, so it is the safer default.
Mailcow ships more often: 16 stable releases in the past year, against 3 for Postal.
Mailcow is growing faster right now (+215 stars in 30 days).
Mailcow details →Postal details →
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