Stalwart Mail ServervsSure
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Stalwart Mail Server | Sure | |
|---|---|---|
| Score | 79/100 | 74/100 |
| Rank in category | #2 of 16 in Mail Server | #4 of 62 in Personal Finance |
| GitHub stars | 15 473 | 10 713 |
| Stars, last 30 days | +670 | +681 |
| Stable releases, 12 months | 31 | 15 |
| Latest release | v1.0.1 · 28 Oct 2026 | v0.7.5-hotfix.3 · 24 Oct 2026 |
| Setup | Moderate | Easy |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0-only AND LicenseRef-SEL | AGPL-3.0 |
| Main language | Rust | Ruby |
Which one should you pick?
Stalwart Mail Server scores 79/100 against 74/100 for Sure, so it is the safer default.
Stalwart Mail Server ships more often: 31 stable releases in the past year, against 15 for Sure.
If you want the quickest setup, Sure is easier to run; Stalwart Mail Server needs more configuration.
Stalwart Mail Server details →Sure details →
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