PostalvsReloop
Two self-hosted Sendgrid alternatives, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Postal | Reloop | |
|---|---|---|
| Score | 72/100 | 47/100 |
| Rank in category | #3 of 16 in Mail Server | #72 of 106 in Email |
| GitHub stars | 16 899 | 174 |
| Stars, last 30 days | +75 | +11 |
| Stable releases, 12 months | 3 | 1 |
| Latest release | 3.3.7 · 3 Jun 2026 | v0.9.0 · 15 Aug 2026 |
| Setup | Advanced | Advanced |
| Official Docker image | Yes | Yes |
| License | MIT | Other |
| Main language | Ruby | Typescript |
Which one should you pick?
Postal scores 72/100 against 47/100 for Reloop, so it is the safer default.
Postal ships more often: 3 stable releases in the past year, against 1 for Reloop.
Postal is growing faster right now (+75 stars in 30 days).
Postal details →Reloop details → All Sendgrid alternatives →
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