Mailpitvsprometheus
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Mailpit | prometheus | |
|---|---|---|
| Score | 77/100 | 90/100 |
| Rank in category | #2 of 106 in Email | #1 of 104 in Monitoring & observability |
| GitHub stars | 10 780 | 66 827 |
| Stars, last 30 days | +354 | +631 |
| Stable releases, 12 months | 23 | 16 |
| Latest release | v1.32.0 · 22 Oct 2026 | v3.15.1 · 21 Oct 2026 |
| Setup | Easy | Moderate |
| Official Docker image | Yes | Yes |
| License | MIT | Apache-2.0 |
| Main language | Go | Go |
Which one should you pick?
prometheus scores 90/100 against 77/100 for Mailpit, so it is the safer default.
Mailpit ships more often: 23 stable releases in the past year, against 16 for prometheus.
If you want the quickest setup, Mailpit is easier to run; prometheus needs more configuration.
Mailpit details →prometheus details →
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