On Mon, 2006-02-13 at 19:43 -0500, Joe Polk wrote: > > > > > It sounds like it will do the trick, then. Should we use it and SA or > ditch SA? It sounds like some are. I would keep spamassassin. Greylisting gets most of the spam but some spam comes from legit MTAs. Spamassassin will catch most of the remaining spam messages. Greylisting alone will get about 98 to 99% of the spam. Spamassassin will catch almost all the rest. This is based om my experience with such a setup.