docker-mailservervsUnderstudy
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| docker-mailserver | Understudy | |
|---|---|---|
| Score | 80/100 | 48/100 |
| Rank in category | #1 of 16 in Mail Server | #110 of 209 in AI Agents |
| GitHub stars | 19 702 | 465 |
| Stars, last 30 days | +829 | — |
| Stable releases, 12 months | 2 | 0 |
| Latest release | v16.0.1 · 4 Sept 2026 | — |
| Setup | Advanced | Moderate |
| Official Docker image | Yes | No |
| License | MIT | MIT |
| Main language | Shell | Typescript |
Which one should you pick?
docker-mailserver scores 80/100 against 48/100 for Understudy, so it is the safer default.
docker-mailserver ships more often: 2 stable releases in the past year, against 0 for Understudy.
If you want the quickest setup, Understudy is easier to run; docker-mailserver needs more configuration.
docker-mailserver is growing faster right now (+829 stars in 30 days).
docker-mailserver details →Understudy details →
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