There are spamassassin filters and packages that can be put straight into the config. I think it is all built around milter.
There are some standard examples of how to do this floating around. I don't have my fingers on one, but I have read at least two discussions of how to do it. "Bob Crandell" <[EMAIL PROTECTED]> writes: % It's amazing how great minds think alike. This is exactly what I'm trying to % do. What I'm not sure of is the how to part. How to have this intermediate % box filter mail without having to create users. % % Ok, I don't need Procmail. How do I call SpamAssassin directly from Sendmail? % % Thanks % % % John Sechrest ([EMAIL PROTECTED]) wrote: % > % > % > You can always use an intermediate spam filter on an intermediate machine. % > % > You first need to set up a linux/unix box with spam assasin on it as you want. % > Then you need to set the system up to deliver to the exchange server. % > Then you want to set the MX records for the domain of the exchange system % > to point at the linux/unix box. % > % > This is how we seperate the FrontEnd mail server from the BackEnd mail servers. % > % > The front end has the RBL code in it, and spam assassin and the Milter rules. % > % > You don't use procmail, because you are not delivering to a mail box. You % > use the initial spam filtering tools. % > % > If there are things in procmail, which you can't write in sendmail, % > then you can force it to process the messages. But almost everything % > that I would put into procmail is better put into the sendmail rules % > on the front end box. % > % > % > % > % > "Bob Crandell" <[EMAIL PROTECTED]> writes: % > % > % Hi, % > % % > % One of my clients is asking for a SPAM filter for his Exchange server. No % > % wise cracks. He's stuck and he knows it. % > % % > % What I was planning on putting in was Sendmail/Procmail/SpamAssassin store and % > % forward mail server. My question is can I and how do I do this without % > % creating users on the mail server? % > % % > % Thanks % > % Bob % > % % > % -- % > % Assured Computing, Inc. % > % When you need to be sure. % > % http://www.assuredcomp.com/ % > % P.O. Box 40814 % > % Eugene, OR 97404 % > % Voice - 541-868-0331 % > % FAX - 541-463-1627 % > % % > % % > % _______________________________________________ % > % EuG-LUG mailing list % > % [EMAIL PROTECTED] % > % http://mailman.efn.org/cgi-bin/listinfo/eug-lug % > % > ----- % > John Sechrest . Helping people use % > . computers and the Internet % > . more effectively % > . % > . Internet: [EMAIL PROTECTED] % > . % > . http://www.peak.org/~sechrest % > _______________________________________________ % > EuG-LUG mailing list % > [EMAIL PROTECTED] % > http://mailman.efn.org/cgi-bin/listinfo/eug-lug % > % % -- % Assured Computing, Inc. % When you need to be sure. % http://www.assuredcomp.com/ % P.O. Box 40814 % Eugene, OR 97404 % Voice - 541-868-0331 % FAX - 541-463-1627 % % % _______________________________________________ % EuG-LUG mailing list % [EMAIL PROTECTED] % http://mailman.efn.org/cgi-bin/listinfo/eug-lug ----- John Sechrest . Helping people use . computers and the Internet . more effectively . . Internet: [EMAIL PROTECTED] . . http://www.peak.org/~sechrest _______________________________________________ EuG-LUG mailing list [EMAIL PROTECTED] http://mailman.efn.org/cgi-bin/listinfo/eug-lug