Included Featureset
- Source RPM packages easily rebuilt for multiple distributions
- SMTP with SMTP-AUTH, TLS, REMOTE-AUTH
- DomainKeys, SPF "Sender Policy Framework" and SRS "Sender Rewriting Scheme"
- Integrated SpamAssassin, ClamAV and Simscan
- Warlord virus and worm loader realtime MIME signature scanning
- CHKUSER 2.0 functions for qmail-smtpd
- Qmail-Tap provides email archive capability
- Virtual Domains and Virtual Users using MySQL
- Autoresponder for vacation/away from office messages
- Integrated Mailing List (ezmlm)
- Web-based email system using Squirrelmail
- Web-based administration tools
- POP3, POP3-SSL, IMAP and IMAP-SSL
- Submission port (587) allows roaming users to skip RBL checks and port 25 blocks
- eMPF patch for advanced policy control over email