or you can add amavis-new and spamassassin to a postfix server setting in the middle of your setup.. it gets mail, scans for virus and spam.. and then passes it to your existing mail server..
very handy.. I have a similiar setup here.. amavis-new is a perl daemon, very fast, loads into memory so always ready, it links up with postfix, and postfix passes it mail for spam and virus scanning. I use filescan and trophie which is a daemon that loads trend filescans virus lib. (from free version of linux filescan.) fast, has yet to miss a virus, autoupdates its own pattern files, and learns more about our spam daily (its using spamassassin 2.52 and bayes learning.) It has caught 9 in the last couple of hours, if it is sure that its spam.. it quaranteens it.. if it isn't totally sure, it tags it as spam in the headers and subject and passes it along for filtering by mail clients. (using the (***SPAM*** in the subject as a rule to filter on.) very handy, very fast and not particularly hard to setup.. took me about an hour from go to whoa... would have been quicker, but I prefer to load and "make" the perl modules instead of using CPAN to do it for me. rgds Franki -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Jack Coates Sent: Monday, 31 March 2003 11:54 AM To: [EMAIL PROTECTED] Subject: Re: [expert] OT: spam filtering in Windows On Fri, 2003-03-28 at 22:30, dfox wrote: > Hi. I'm posting this on behalf of our worksite which has been inundated > with lots of spam. At home of course I can install Spam Assassin and get > rid of most of this stuff. But at work we are at the mercy of POP mail > and Outlook on Windows machines. > > Of course I am trying to suggest Linux but I don't think this is a > realistic alternative that management would be happy with. And we get > our mail from a "foreign" server (sbc=pacbell) and we are (I think) > dependent on their whims -- i.e., installing filters on the mail server > isn't an option. use fetchmail to pop the mail from SBC, then deliver to a local postfix. Use postfix's tools to bounce via RBL if that floats your boat, or just call spamassassin via /etc/procmailrc. Reconfigure your end users to pop/imap off of that box rather than SBC. For extra credit, set up SASL-authenticated SMTP relaying too :-) If you have so few users that you're still reliant on SBC's "business" "services", you should be able to support everyone better than presently with any $300 white-box (http://www.pricewatch.com/menus/m43.htm, http://www.pricewatch.com/1/43/4072-1.htm). Or you could buy the commercial windows version of SpamAssassin for all of your desktops (http://www.mcafee.com/myapps/msk/) At $29 per desktop plus tax (ignoring the huge hassle of configuring desktop-by-desktop instead of on a single server), you'll break even at ten desktops. -- Jack Coates Monkeynoodle: A Scientific Venture...
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