Mail-in-a-BoxvsZammad
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Mail-in-a-Box | Zammad | |
|---|---|---|
| Score | 72/100 | 70/100 |
| Rank in category | #3 of 16 in Mail Server | #1 of 9 in Helpdesk |
| GitHub stars | 15 446 | 6 050 |
| Stars, last 30 days | +27 | +98 |
| Stable releases, 12 months | 4 | 0 |
| Latest release | v77 · 26 Sept 2026 | — |
| Setup | Moderate | Advanced |
| Official Docker image | No | Yes |
| License | CC0-1.0 | AGPL-3.0 |
| Main language | Python | Ruby |
Which one should you pick?
Mail-in-a-Box scores 72/100 against 70/100 for Zammad, so it is the safer default.
Mail-in-a-Box ships more often: 4 stable releases in the past year, against 0 for Zammad.
If you want the quickest setup, Mail-in-a-Box is easier to run; Zammad needs more configuration.
Zammad is growing faster right now (+98 stars in 30 days).
Mail-in-a-Box details →Zammad details →
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