Mail-in-a-BoxvsSafeLine
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Mail-in-a-Box | SafeLine | |
|---|---|---|
| Score | 72/100 | 81/100 |
| Rank in category | #3 of 16 in Mail Server | #1 of 3 in Web Application Firewall |
| GitHub stars | 15 446 | 23 082 |
| Stars, last 30 days | +27 | +409 |
| Stable releases, 12 months | 4 | 11 |
| Latest release | v77 · 26 Sept 2026 | v9.4.3 · 21 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes |
| License | CC0-1.0 | GPL-3.0 |
| Main language | Python | Go |
Which one should you pick?
SafeLine scores 81/100 against 72/100 for Mail-in-a-Box, so it is the safer default.
SafeLine ships more often: 11 stable releases in the past year, against 4 for Mail-in-a-Box.
SafeLine is growing faster right now (+409 stars in 30 days).
Mail-in-a-Box details →SafeLine details →
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