3 == move all mail config into ldap ==
7 * user mail forwards, mail user +extension forwards, mail user +extension pipes, all of it.
8 * service domain aliases files
9 * service domains whitelists/blacklists/neverusers/RBLs
11 == make dns auto update on shutdowns ==
13 one day, when all these dynamic things are in their own dns, we imagine we
14 would just do shutdown -r 60 kernel and a nagios check or something will remove
15 the node from DNS automatically