Release branches

For each NixOS release, we publish a branch. You then have to use the SNM branch corresponding to your NixOS version.

• For NixOS 24.05
  • Use the SNM branch nixos-24.05
  • Documentation
  • Release notes
• For NixOS 23.11
  • Use the SNM branch nixos-23.11
  • Documentation
  • Release notes
• For NixOS unstable
  • Use the SNM branch master
  • Documentation

Subscribe to SNM Announcement List This is a very low volume list where new releases of SNM are announced, so you can stay up to date with bug fixes and updates.

Features

v2.0

• Continous Integration Testing
• Multiple Domains
• Postfix MTA
  • smtp on port 25
  • submission tls on port 465
  • submission starttls on port 587
  • lmtp with dovecot
• Dovecot
  • maildir folders
  • imap with tls on port 993
  • pop3 with tls on port 995
  • imap with starttls on port 143
  • pop3 with starttls on port 110
• Certificates
  • manual certificates
  • on the fly creation
  • Let's Encrypt
• Spam Filtering
  • via rspamd
• Virus Scanning
  • via clamav
• DKIM Signing
  • via opendkim
• User Management
  • declarative user management
  • declarative password management
• Sieves
  • A simple standard script that moves spam
  • Allow user defined sieve scripts
  • ManageSieve support
• User Aliases
  • Regular aliases
  • Catch all aliases

In the future

• DKIM Signing
  • Allow a per domain selector

Get in touch

• Subscribe to the mailing list
• Join the Libera Chat IRC channel #nixos-mailserver

How to Set Up a 10/10 Mail Server Guide

Check out the Setup Guide in the project's documentation.

For a complete list of options, see in readthedocs.

Development

See the How to Develop SNM documentation page.

Contributors

See the contributor tab

Alternative Implementations

• NixCloud Webservices

Credits

• send mail graphic by tnp_dreamingmao from TheNounProject is licensed under CC BY 3.0
• Logo made with Logomakr.com