# luna vs Mail-in-a-Box

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

| | luna | Mail-in-a-Box |
|---|---|---|
| Score | 43/100 | 72/100 ✓ |
| Rank in category | #25 of 30 in Calendar & Contacts | #3 of 16 in Mail Server |
| GitHub stars | 525 | 15 450 ✓ |
| Stars, last 30 days | — | +32 |
| Stable releases, 12 months | 0 | 4 ✓ |
| Latest release | — | v77 · 26 Sept 2026 |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | No | No |
| License | — | CC0-1.0 |
| Main language | Go | Python |

## Which one should you pick?

Mail-in-a-Box scores 72/100 against 43/100 for luna, so it is the safer default.

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

If you want the quickest setup, Mail-in-a-Box is easier to run; luna needs more configuration.

Mail-in-a-Box is growing faster right now (+32 stars in 30 days).

## Details

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

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