# Postal vs unleash

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

| | Postal | unleash |
|---|---|---|
| Score | 72/100 | 75/100 ✓ |
| Rank in category | #3 of 16 in Mail Server | #1 of 8 in Feature Flags |
| GitHub stars | 16 899 ✓ | 13 914 |
| Stars, last 30 days | +72 | +88 ✓ |
| Stable releases, 12 months | 3 | 15 ✓ |
| Latest release | 3.3.7 · 3 Jun 2026 | v8.3.0 · 27 Oct 2026 ✓ |
| Setup | Advanced | Easy ✓ |
| Official Docker image | Yes | Yes |
| License | MIT | AGPL-3.0 |
| Main language | Ruby | Typescript |

## Which one should you pick?

unleash scores 75/100 against 72/100 for Postal, so it is the safer default.

unleash ships more often: 15 stable releases in the past year, against 3 for Postal.

If you want the quickest setup, unleash is easier to run; Postal needs more configuration.

## Details

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

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