Stalwart Mail ServervsUmami
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Stalwart Mail Server | Umami | |
|---|---|---|
| Score | 78/100 | 85/100 |
| Rank in category | #2 of 16 in Mail Server | #1 of 21 in Web analytics |
| GitHub stars | 15 465 | 39 757 |
| Stars, last 30 days | +681 | +776 |
| Stable releases, 12 months | 31 | 13 |
| Latest release | v1.0.1 · 28 Oct 2026 | v3.4.1 · 23 Oct 2026 |
| Setup | Moderate | Easy |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0-only AND LicenseRef-SEL | MIT |
| Main language | Rust | Typescript |
Which one should you pick?
Umami scores 85/100 against 78/100 for Stalwart Mail Server, so it is the safer default.
Stalwart Mail Server ships more often: 31 stable releases in the past year, against 13 for Umami.
If you want the quickest setup, Umami is easier to run; Stalwart Mail Server needs more configuration.
Stalwart Mail Server details →Umami details →
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