compare
Haraka vs Postal
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Haraka | Postal |
|---|---|---|
| Language | JavaScript | Ruby |
| Licence | MIT | MIT |
| Stars | 5.6k | 17k |
| Latest | v3.3.4 | 3.3.7 |
| Last push | 2026-10-03 | 2026-10-06 |
| Release cadence | about 25 days between releases | about 75 days between releases |
| Active contributors | 3 commit authors on the default branch in the last 90 days | 2 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace SendGrid. Alternatives to SendGrid →
PartialHarakaA plugin-based SMTP server in Node.js for high-volume inbound and outbound mail, without an HTTP API or tracking dashboard.
Full replacementPostalSends and receives mail over SMTP and an HTTP API, with delivery tracking and webhooks.
Haraka
✓ signed The latest release, v3.3.4, carries a signature GitHub verified.
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Postal
✓ signed The latest release, 3.3.7, carries a signature GitHub verified.
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