Mox
Mox is an open-source, self-hosted app in the Email Servers category, licensed MIT and written mainly in Go. It is a self-hosted alternative to Mailgun. It has 5,918 GitHub stars and its last commit was on Oct 9, 2026 (data as of Oct 26, 2026).
GitHub stats
- GitHub stars
- 5,918
- Forks
- 234
- Open issues
- 197
- Commits, last 12 months
- 96
- Last commit
- Oct 9, 2026
- Latest release
- v0.0.17Aug 19, 2026
- Created
- Jan 30, 2023
- License
- MITOpen source
Data as of from the GitHub API. Report an error
Project health
ActiveActive: last commit Oct 9, 2026, 96 commits in 12 months.
| Last commit | Oct 9, 2026 |
|---|---|
| Commits, last 12 months | 96 |
| Latest release | v0.0.17 (Aug 19, 2026) |
| Releases, last 12 months | 2 |
| Releases, all time | 16 |
| Open issues | 197 |
| Open pull requests | 25 |
| Good first issues | 0 |
| Contributing guide | No |
| Security policy | No |
| Created | Jan 30, 2023 |
Health as of , from the GitHub API. A label describes activity, not quality or security. How we label project health · Report a data error
About 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….
Description adapted from awesome-selfhosted (CC BY-SA 3.0). Source code: github.com/mjl-/mox.
Open-source alternative to
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Is Mox free and open source?
Yes. Mox is open-source software released under the MIT license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Mox with Docker?
Mox does not list an official Docker image. It installs natively (Go), so follow the install steps in its README or look for a community-maintained container.
What are the best alternatives to Mox?
Popular self-hosted alternatives to Mox include docker-mailserver, Postal and Mail-in-a-Box. Mox itself is a self-hosted alternative to Mailgun.
Is Mox actively maintained?
The most recent commit to Mox was on Oct 9, 2026 with 96 commits in the past twelve months. The latest release is v0.0.17, published Aug 19, 2026. It had 197 open issues on GitHub. appsgit's project-health label for it is "Active" as of Oct 26, 2026.