While Qmail isn't distributed in RPM format, sveral people have written various RPMs that add to Qmail.
- Miguel Beccari has QmailToaster RPM packages. Features: Mail Server (pop3, pop3-ssl, imap4, imap-ssl, smtp, smtp-ssl), Web Administration Tools (vpopmail, vqadmin), Web Mail Client (horde), Mailing lists(ezmlm), Autoresponder, Antispam.
- Bruce Guenter has RPMs of daemontools
- Bruce Guenter has a qmail RPM which automatically applies a number of patches found here and which comes with some scripts.