compare
Mox vs Stalwart
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Mox | Stalwart |
|---|---|---|
| Language | Go | Rust |
| Licence | MIT | None detected |
| Stars | 5.9k | 15k |
| Latest | v0.0.17 | v0.16.25 |
| Last push | 2026-09-13 | 2026-10-05 |
| Release cadence | about 81 days between releases | about 7 days between releases |
| Active contributors | 11 commit authors on the default branch in the last 90 days | 6 commit authors on the default branch in the last 90 days |
| Flags | none | No licence detected |
How they relate
Both replace Google Workspace. Alternatives to Google Workspace →
PartialMoxSMTP, IMAP, webmail, spam filtering and automatic TLS in one Go binary; mail only.
PartialStalwartMail over JMAP, IMAP and SMTP, plus CalDAV and CardDAV, in one Rust server.
Mox
- v0.0.172026-08-19webmail: Clicking Send reloads the page instead of sending. A few other forms
- v0.0.162026-08-18smtpserver: reject submitted messages with multiple From headers/addresses.
- v0.0.152025-04-18Implement IMAP NOTIFY extension from RFC 5465. Where IDLE is for monitoring a
- v0.0.142025-01-20Implement TLS client certificate authentication using their public keys (not
- v0.0.132024-11-06This release fixes TLS interoperability with incoming deliveries from Microsoft
Stalwart
- v0.16.252026-10-05If you are upgrading from v0.16.x, replace the binary (or run docker pull). If you are upgrading from v0.15.x and below…
- v0.16.242026-09-27If you are upgrading from v0.16.x, replace the binary (or run docker pull). If you are upgrading from v0.15.x and below…
- v0.16.232026-09-21If you are upgrading from v0.16.x, replace the binary (or run docker pull). If you are upgrading from v0.15.x and below…
- v0.16.222026-09-13If you are upgrading from v0.16.x, replace the binary (or run docker pull). If you are upgrading from v0.15.x and below…
- v0.16.212026-09-06If you are upgrading from v0.16.x, replace the binary (or run docker pull). If you are upgrading from v0.15.x and below…
Mox
unsigned The latest release, v0.0.17, carries no signature GitHub could verify.
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Stalwart
unsigned The latest release, v0.16.25, carries no signature GitHub could verify.
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