# Postal vs senlo

> Two self-hosted [Postmark alternatives](https://selfhost.directory/alternative-to/postmark), compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Postal | senlo |
|---|---|---|
| Score | 72/100 ✓ | 38/100 |
| Rank in category | #3 of 16 in Mail Server | #88 of 106 in Email |
| GitHub stars | 16 899 ✓ | 178 |
| Stars, last 30 days | +75 | — |
| Stable releases, 12 months | 3 ✓ | 0 |
| Latest release | 3.3.7 · 3 Jun 2026 | — |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | Yes ✓ | No |
| License | MIT | AGPL-3.0 |
| Main language | Ruby | Typescript |

## Which one should you pick?

Postal scores 72/100 against 38/100 for senlo, so it is the safer default.

Postal ships more often: 3 stable releases in the past year, against 0 for senlo.

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

Postal is growing faster right now (+75 stars in 30 days).

## Details

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

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