capjsvsdocker-mailserver
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| capjs | docker-mailserver | |
|---|---|---|
| Score | 72/100 | 80/100 |
| Rank in category | #15 of 78 in Security | #1 of 16 in Mail Server |
| GitHub stars | 8 199 | 19 703 |
| Stars, last 30 days | +347 | +829 |
| Stable releases, 12 months | 16 | 2 |
| Latest release | standalone@3.1.13 · 23 Sept 2026 | v16.0.1 · 4 Sept 2026 |
| Setup | Easy | Advanced |
| Official Docker image | Yes | Yes |
| License | Other | MIT |
| Main language | JavaScript | Shell |
Which one should you pick?
docker-mailserver scores 80/100 against 72/100 for capjs, so it is the safer default.
capjs ships more often: 16 stable releases in the past year, against 2 for docker-mailserver.
If you want the quickest setup, capjs is easier to run; docker-mailserver needs more configuration.
docker-mailserver is growing faster right now (+829 stars in 30 days).
capjs details →docker-mailserver details →
Swap a project
Keep capjs, compare it with
Keep docker-mailserver, compare it with