compare
Postal vs useSend
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Postal | useSend |
|---|---|---|
| Language | Ruby | TypeScript |
| Licence | MIT | AGPL-3.0 |
| Stars | 17k | 4.7k |
| Latest | 3.3.7 | v1.9.8 |
| Last push | 2026-10-06 | 2026-09-08 |
| Release cadence | about 75 days between releases | about 21 days between releases |
| Active contributors | 2 commit authors on the default branch in the last 90 days | 5 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace SendGrid. Alternatives to SendGrid →
Full replacementPostalSends and receives mail over SMTP and an HTTP API, with delivery tracking and webhooks.
Full replacementuseSendTransactional and marketing email over a REST API and SMTP, with webhooks and delivery stats, sent through Amazon SES.
Postal
useSend
- v1.9.82026-08-30fix: prevent variable popover from blocking text selection
- v1.9.72026-08-23fix: preserve safe headers through SMTP proxy
- v1.9.62026-07-23fix: reject invalid SES regions
- v1.9.52026-07-12Campaign previews are now isolated from the dashboard, so email styles can’t break or change the surrounding UI
- v1.9.42026-05-18chore: add Entire agent config
Postal
✓ signed The latest release, 3.3.7, carries a signature GitHub verified.
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useSend
✓ signed The latest release, v1.9.8, carries a signature GitHub verified.
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