Mox
Complete e-mail solution with IMAP4, SMTP, SPF, DKIM, DMARC, MTA-STS, DANE and DNSSEC, reputation-based and content-based junk filtering, Internationalization (IDNA), automatic TLS with ACME and Let's Encrypt, account autoconfiguration, and webmail.
Description from awesome-selfhosted (CC BY-SA 3.0)
Still maintained? Yes: 60 commits in the last 90 days, latest release v0.0.17 (Aug 2026).
Comparisons in Communication - Email - Complete Solutions: Gmail alternatives.
At a glance
Mox quick facts
- Health score
- 85/100 GOOD
- Stars
- 5,920
- Last commit
- 3 days ago (Oct 2026)
- Latest release
- v0.0.17, Aug 2026
- Licence
- MIT
Top alternatives to Mox
In its own words
The project's README opens: "Mox is a modern full-featured open source secure mail server for low-maintenance self-hosted email."
Why it ranks here
Health score explained
Mox scores 85/100, #8 of 18 in Communication - Email - Complete Solutions: 60 commits in the last 90 days earn 35.0 of 35 points, the latest release (v0.0.17, 2 months ago) earns 25.0 of 25, 5,920 stars add 15.1 of 20, an active, unarchived repository keeps 10 and no advertised Docker image leaves the final 10 unclaimed. That places it in the good band (70 and above). The biggest shortfall is Docker support, worth 10.0 more points.
Recomputed nightly from the GitHub API. How the score is calculated.
- Commit activity 35.0 / 35
60 commits in 90 days (30+ scores full marks)
- Release recency 25.0 / 25
v0.0.17 released 2 months ago
- Stars 15.1 / 20
5.9k stars on GitHub (logarithmic)
- Not archived 10.0 / 10
Repository is active
- Docker support biggest shortfall 0.0 / 10
No Docker support advertised
Commit activity
- 60
- Last 90 days
- 97
- Last 12 months
- 3 days ago
- Last push
Ranked #8 of 18 tools in Communication - Email - Complete Solutions by health , between wildduck (#7) and Modoboa (#9) .
Details
| Licence | MIT |
| Platforms | Go |
| Latest release | v0.0.17 · 2 months ago |
| Stars | 5,920 |
| Open issues | 196 |
| Docker | Not advertised |
| Repository | mjl-/mox ↗ |
Mox vs its top 5 alternatives
Active tools that share a category with Mox (Communication - Email - Complete Solutions), scored on the same five terms.
| Tool | Health | Stars | Licence | Last commit |
|---|---|---|---|---|
| docker-mailserver | 97 | 20k | MIT | 4 days ago |
| Mailcow | 97 | 14k | GPL-3.0 | yesterday |
| Stalwart Mail Server | 97 | 16k | AGPL-3.0 | 2 days ago |
| Mox (this tool) | 85 | 5.9k | MIT | 3 days ago |
| Maddy Mail Server | 80 | 6.1k | GPL-3.0 | today |
| Postal | 65 | 17k | MIT | today |
Mox: common questions
Is Mox still maintained?
Mox had 60 commits in the last 90 days and its last push was 3 days ago; the latest tagged release, v0.0.17, is from 2 months ago. Repoly recomputes this nightly.