Don't. Just shut your mail server of and tell them to go to Google or hotmail or something. Is they are a businesses, charge them a few hundred bucks to set the whole thing up and wash your hands of it.
Not very helpful I know but that it's my trite opinion. On Apr 1, 2015 3:53 PM, "Tim Reichhart" <[email protected]> wrote: > Hey Guys > > Who do you guys use for spam filter like barracuda but in open source for > your email server? > > > > Tim > > > > >
