# billion-mail vs docker-mailserver

> Two self-hosted [Mail Server projects](https://selfhost.directory/mail-server), compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | billion-mail | docker-mailserver |
|---|---|---|
| Score | 69/100 | 80/100 ✓ |
| Rank in category | #5 of 16 in Mail Server | #1 of 16 in Mail Server |
| GitHub stars | 15 961 | 19 698 ✓ |
| Stars, last 30 days | +326 | +825 ✓ |
| Stable releases, 12 months | 3 ✓ | 2 |
| Latest release | v4.9 · 11 Dec 2025 | v16.0.1 · 4 Sept 2026 ✓ |
| Setup | Advanced | Advanced |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | MIT |
| Main language | Go | Shell |

## Which one should you pick?

docker-mailserver scores 80/100 against 69/100 for billion-mail, so it is the safer default.

billion-mail ships more often: 3 stable releases in the past year, against 2 for docker-mailserver.

docker-mailserver is growing faster right now (+825 stars in 30 days).

## Details

- [billion-mail](https://selfhost.directory/project/billion-mail) (markdown: https://selfhost.directory/project/billion-mail.md)
- [docker-mailserver](https://selfhost.directory/project/docker-mailserver) (markdown: https://selfhost.directory/project/docker-mailserver.md)

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Source: https://selfhost.directory/compare/billion-mail-vs-docker-mailserver