Hi, On 30 May 2014 01:50, Jonathan Dill <cdslashetc at cdslashetc.net> wrote: > Have you run many mail servers? You need a plan for dealing with botnets > and other malicious traffic up front. Yes. The plan is to implement some simple stuff like SPF and DNSBL, and if you need more advanced stuff, just use this as an MDA. Regards, Michael