Qmail alternatives

Qmail is a proprietary app for Linux, BSD, FreeBSD, Debian and 2 more platforms. It is free to use. Developed by Dan Bernstein.

Alternatives

• mailcow: dockerized
• Postfix
• Mail-in-a-box
• Zimbra Collaboration Suite
• Citadel
• Modoboa
• iRedMail
• Exim
• Sendmail
• Courier-MTA
• Atmail Email Server
• E-MailRelay
• Mox