- Cluebringer: http://devlabs.linuxassist.net/projects/policyd/files
- Dovecot-2.x (RPMS & SRPMS)
    o http://packages.atrpms.net/dist/el6/dovecot-2.0.x/ AND
    o http://packages.atrpms.net/dist/el6/dovecot-pigeonhole-0.2.x/

- ClamAV:
    o http://pkgs.repoforge.org/clamav/ (redirect to http://apt.sw.be/redhat/)

- Awstats:
    o http://pkgs.repoforge.org/awstats/

- Amavisd-new:
    o Packaged by iRedMail project.

- AlterMIME, Fail2ban:
    o http://dl.fedoraproject.org/pub/epel/6/