On 5/10/2010 8:19 AM, Ryan Manikowski wrote: > On 5/10/2010 8:02 AM, Brian McKerr wrote: >> I use Mailscanner with postfix and Mailwatch to manage quarantine etc; >> >> http://mailscanner.info/ >> >> On the backup MX, I just use postfix and some basic anti-spam stuff. >> Very little gets through and even less gets through to the primary. I >> am aware that some spam techniques go straight to the backup MX >> because most people don't set it up quite as well as the primary. YMMV. >> >> I also used to use greylisting, which does reduce spam, but, >> unfortunately it also reduces valid mail ;-) In the end I'd rather >> suffer a few spams getting through compared to the delayed receipt of >> important emails. > > Another vote here for Mailscanner + Postfix. Add a few RBL's into your > postfix config and spam will be at a minimum. Or, if you like sendmail, MimeDefang works well to combine all the usual milter operations so you can control them with a simple perl snippet. Rpmforge has MimeDefang and Clamav packages that work together with a simple permission change so it is easy to stay up to date. -- Les Mikesell lesmikesell at gmail.com