# Mail-in-a-Box vs unpub

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

| | Mail-in-a-Box | unpub |
|---|---|---|
| Score | 72/100 ✓ | 49/100 |
| Rank in category | #3 of 16 in Mail Server | #6 of 11 in Package Management |
| GitHub stars | 15 447 ✓ | 483 |
| Stars, last 30 days | +29 | — |
| Stable releases, 12 months | 4 ✓ | 0 |
| Latest release | v77 · 26 Sept 2026 | — |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | No | No |
| License | CC0-1.0 | MIT |
| Main language | Python | Dart |

## Which one should you pick?

Mail-in-a-Box scores 72/100 against 49/100 for unpub, so it is the safer default.

Mail-in-a-Box ships more often: 4 stable releases in the past year, against 0 for unpub.

Mail-in-a-Box is growing faster right now (+29 stars in 30 days).

## Details

- [Mail-in-a-Box](https://selfhost.directory/project/mail-in-a-box) (markdown: https://selfhost.directory/project/mail-in-a-box.md)
- [unpub](https://selfhost.directory/project/unpub) (markdown: https://selfhost.directory/project/unpub.md)

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Source: https://selfhost.directory/compare/mail-in-a-box-vs-unpub