Mail-in-a-Boxvsunopim
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Mail-in-a-Box | unopim | |
|---|---|---|
| Score | 72/100 | 69/100 |
| Rank in category | #3 of 16 in Mail Server | #1 of 6 in Product Management |
| GitHub stars | 15 446 | 11 045 |
| Stars, last 30 days | +27 | +46 |
| Stable releases, 12 months | 4 | 17 |
| Latest release | v77 · 26 Sept 2026 | v3.1.3 · 29 Sept 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes |
| License | CC0-1.0 | MIT |
| Main language | Python | PHP |
Which one should you pick?
Mail-in-a-Box scores 72/100 against 69/100 for unopim, so it is the safer default.
unopim ships more often: 17 stable releases in the past year, against 4 for Mail-in-a-Box.
Mail-in-a-Box details →unopim details →
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