Postalvstapflow
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Postal | tapflow | |
|---|---|---|
| Score | 72/100 | 55/100 |
| Rank in category | #3 of 16 in Mail Server | #4 of 10 in Testing |
| GitHub stars | 16 898 | 1 358 |
| Stars, last 30 days | +74 | — |
| Stable releases, 12 months | 3 | 10 |
| Latest release | 3.3.7 · 3 Jun 2026 | v0.30.0 · 27 Oct 2026 |
| Setup | Advanced | Moderate |
| Official Docker image | Yes | Yes |
| License | MIT | MIT |
| Main language | Ruby | Typescript |
Which one should you pick?
Postal scores 72/100 against 55/100 for tapflow, so it is the safer default.
tapflow ships more often: 10 stable releases in the past year, against 3 for Postal.
If you want the quickest setup, tapflow is easier to run; Postal needs more configuration.
Postal is growing faster right now (+74 stars in 30 days).
Postal details →tapflow details →
Swap a project
Keep Postal, compare it with
Keep tapflow, compare it with