On 01/11/10 19:12, EACSI Support wrote:
That sound great! We are using PostFix Thank You Russ
Ah, great.Here's a couple guides I wrote for greylisting and postfix restrictions. They are based on CentOS, but the principles are no different for Ubuntu.
http://wiki.centos.org/HowTos/postfix_restrictions http://wiki.centos.org/HowTos/postgrey They should give you a good starting point from which to build. Hope that helps.