Granted it's not an inexpensive solution, but we switched from SpamAssassin
to PureMessage by ActiveState.
http://www.activestate.com/Products/PureMessage We are thoroughly impressed with the accuracy and the dynamic feature set of
the product. Automatic updates come down at least a couple of times a week
to keep up with the latest tactics, and the support is second to none.
Just my $.02 worth
Sean.
-----Original Message-----
From: Kliment Andreev [mailto:[EMAIL PROTECTED] Sent: October 3, 2003 9:23 AM
To: [EMAIL PROTECTED]
Subject: Re: FreeBSD & SPAM
I know this is an issue that comes up a lot, but I wanted to get an opinion from some people on the list. We, along with everyone else, have TONS of SPAM hit our server. Unfortunately, we haven't found any good way to reduce it. We're using ORDB and SpamCop, but neither are really doing the job. We're a small small company (7 employees) with about 100 mailboxes on the server. We don't mind paying for a service that works, but we are certainly on a tight budget. Any recommendations would be greatly appreciated. Currently, we're using Sendmail, although we're considering (and testing) a switch to PostFix. TIA for any
Check www.kaspersky.com for anti-virus and anti-spam tools for FreeBSD. If you decide to use SpamAssassin and if you have a lot of spam-mail coming and a slow server, mind that it will clog you CPU very, very soon.
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blocking dynamic ip and dialup users with dnsbl lists reduces 60-70% of the spam. there is a very good one on an .nl server. for some special ones an access list helps. adding a combination of mailscanner and spamassassin to sendmail does the rest. the rest which comes thru is not really a lot of mails. and all of that stuff is open source and free.
happyly running above things with 50k+ mails / day.
-- Best regards / Mit freundlichen Gruessen,
Karl M. Joch
http://www.freebsd.at - Das Power Betriebssystem
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