Postalvsswarm-cronjob
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Postal | swarm-cronjob | |
|---|---|---|
| Score | 72/100 | 51/100 |
| Rank in category | #3 of 16 in Mail Server | #20 of 26 in Automation |
| GitHub stars | 16 899 | 888 |
| Stars, last 30 days | +72 | +0 |
| Stable releases, 12 months | 3 | 3 |
| Latest release | 3.3.7 · 3 Jun 2026 | v1.16.1 · 24 Oct 2026 |
| Setup | Advanced | Easy |
| Official Docker image | Yes | Yes |
| License | MIT | MIT |
| Main language | Ruby | Go |
Which one should you pick?
Postal scores 72/100 against 51/100 for swarm-cronjob, so it is the safer default.
If you want the quickest setup, swarm-cronjob is easier to run; Postal needs more configuration.
Postal is growing faster right now (+72 stars in 30 days).
Postal details →swarm-cronjob details →
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