# Postal vs Trinity

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Postal | Trinity |
|---|---|---|
| Score | 72/100 ✓ | 57/100 |
| Rank in category | #3 of 16 in Mail Server | #60 of 209 in AI Agents |
| GitHub stars | 16 900 ✓ | 713 |
| Stars, last 30 days | +73 ✓ | +2 |
| Stable releases, 12 months | 3 | 4 ✓ |
| Latest release | 3.3.7 · 3 Jun 2026 | v1.0.0 · 20 Oct 2026 ✓ |
| Setup | Advanced | Advanced |
| Official Docker image | Yes | Yes |
| License | MIT | Apache-2.0 |
| Main language | Ruby | Python |

## Which one should you pick?

Postal scores 72/100 against 57/100 for Trinity, so it is the safer default.

Trinity ships more often: 4 stable releases in the past year, against 3 for Postal.

Postal is growing faster right now (+73 stars in 30 days).

## Details

- [Postal](https://selfhost.directory/project/postal) (markdown: https://selfhost.directory/project/postal.md)
- [Trinity](https://selfhost.directory/project/trinity) (markdown: https://selfhost.directory/project/trinity.md)

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Source: https://selfhost.directory/compare/postal-vs-trinity