exovsPostal
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| exo | Postal | |
|---|---|---|
| Score | 76/100 | 72/100 |
| Rank in category | #6 of 25 in LLM Inference | #3 of 16 in Mail Server |
| GitHub stars | 48 074 | 16 899 |
| Stars, last 30 days | +439 | +72 |
| Stable releases, 12 months | 7 | 3 |
| Latest release | v1.0.71 · 23 Apr 2026 | 3.3.7 · 3 Jun 2026 |
| Setup | Easy | Advanced |
| Official Docker image | No | Yes |
| License | Apache-2.0 | MIT |
| Main language | Python | Ruby |
Which one should you pick?
exo scores 76/100 against 72/100 for Postal, so it is the safer default.
exo ships more often: 7 stable releases in the past year, against 3 for Postal.
If you want the quickest setup, exo is easier to run; Postal needs more configuration.
exo is growing faster right now (+439 stars in 30 days).