A single-file, self-hosted private email server with SMTP, POP3 and IMAP support plus a web mail management interface for your own domain.
2.3K256GoGPL-2.0Updated 27 days ago
1 alternative
Best open-source alternatives to Microsoft Exchange (2026)
Looking for a free, open-source alternative to Microsoft Exchange? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| Jinnrry/PMail | ★ 2.3K | GPL-2.0 | 27 days ago |
FAQ
- Is there a free, open-source alternative to Microsoft Exchange?
- Yes. The most popular open-source alternatives to Microsoft Exchange on Repolode are PMail.
- Which Microsoft Exchange alternative should I choose?
- PMail has the most GitHub stars and is released under GPL-2.0. Compare the license and last commit of each option in the table above before choosing.