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David, I'm partial to a SpamAssassin and mimedefang implementation at the mail server level. Allows granular control for HELO filtering, individual user or server-wide bayesian database, quick and easy custom rules for catching those new stock image and URL redirect spams as they roll out. Not to mention the help that SARE rules provide to stay current. Easy to create HEADER, BODY, URI, and FULL rules to match and tag just about anything you'd like with some quick regex work. Also easy whitelist functionality if your users like to receive particularly spammy looking newsletters and the like. I'm of the opinion that spam actually reaching user inboxes isn't acceptable. With the right tools at hand, and the time to spend on it, you can keep that level pretty close to zero while maintaining close to zero (or actual zero) false positives as long as you're not overly generous with your points, and test your new rules against known ham mailboxes before putting them into production. Hope this helps. -Russell > -----Original Message----- > From: MSU Network Administrators Group > [mailto:[log in to unmask]] On Behalf Of David McFarlane > Sent: Tuesday, September 05, 2006 4:45 PM > To: [log in to unmask] > Subject: [MSUNAG] Eudora spam filter? > > Does anybody know of a good spam filter that will work with Eudora? Or > better yet, a spam filter that works directly with the server, so it > doesn't care what client you use? Or does the spam filter in the paid > version of Eudora work well enough? Thanks. > > -- David McFarlane, Systems Designer > Dept. Psychology, Michigan State University > [log in to unmask] www.msu.edu/~mcfarla9 > Voice: (517) 353-0799 Fax: (517) 353-1652 >