Docker Mailserver - A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker.

A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.). Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade.

Services Include:

• Postfix with SMTP or LDAP auth
• Dovecot for SASL, IMAP (or POP3), with LDAP Auth, Sieve and quotas
• Amavis
• SpamAssassin supporting custom rules
• ClamAV with automatic updates
• OpenDKIM
• OpenDMARC
• Fail2ban
• Fetchmail
• Postscreen
• Postgrey
• LetsEncrypt and self-signed certificates
• Setup script to easily configure and maintain your mailserver
• Basic Sieve support using dovecot
• SASLauthd with LDAP auth
• Persistent data and state
• CI/CD
• Extension Delimiters (you+extension@example.com go to you@example.com)