Date: Tue, 5 Apr 2005 11:27:55 -0500 From: "Joseph T. Klein" <jtk@titania.net> To: "Phillip Salzman" <phill@sysctl.net> Cc: isp@freebsd.org Subject: Re: Antispam solutions Message-ID: <d5880ccc9d94a9ddc206e75f7789e219@titania.net> In-Reply-To: <000801c539f8$95268750$6745a8c0@MESE> References: <000801c539f8$95268750$6745a8c0@MESE>
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Having bogon filters can weed out a bunch of spam before it hits your mail servers. http://www.cymru.com/Bogons/ Using Cyrus with sieve is one way to give users control. http://www.cyrusoft.com/sieve/ You can have spam assassin add headers and filter on the header values. http://directory.fsf.org/SpamAssassin.html All of the above is free. -- Joseph T. Klein PSTN: +1 414 961 1690 VoIP: +1 414 431 4231 Mobile: +1 414 628 3380 On Apr 5, 2005, at 11:00 AM, Phillip Salzman wrote: > Hello, > > I've been researching several different vendors for antispam over the > last > few weeks. It seems many of the major commercial players (Brightmail, > Sophos) charge per-user rates that make it difficult to the bottom > line. > > One of the goals is to prevent the mail from actually hitting our > backend > Qmail systems, but at the same time give users the ability to weed > through > their messages in a quarantine. Initially we wanted to deploy Spam > Assassin > but haven't found any quarantine method available. > > So - my question is what some of you were using for ISP-based > antispam, and > do you know of a user-manageable quarantine for SA? We have roughly > 90k > users and 11k domains. > > Thanks for any input or critiques you may have... > > > -- > Phillip Salzman > http://www.sysctl.net/phill/ > > _______________________________________________ > freebsd-isp@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-isp > To unsubscribe, send any mail to "freebsd-isp-unsubscribe@freebsd.org" >
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