Postalvschatmail relay
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Postal | chatmail relay | |
|---|---|---|
| Score | 72/100 | 53/100 |
| Rank in category | #3 of 16 in Mail Server | #47 of 106 in Email |
| GitHub stars | 16 907 | 494 |
| Stars, last 30 days | +78 | +1 |
| Stable releases, 12 months | 3 | 6 |
| Latest release | 3.3.7 · 3 Jun 2026 | 1.13.0 · 22 Sept 2026 |
| Setup | Advanced | Advanced |
| Official Docker image | Yes | Yes |
| License | MIT | MIT |
| Main language | Ruby | Python |
Which one should you pick?
Postal scores 72/100 against 53/100 for chatmail relay, so it is the safer default.
chatmail relay ships more often: 6 stable releases in the past year, against 3 for Postal.
Postal is growing faster right now (+78 stars in 30 days).
Postal details →chatmail relay details →
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