From owner-freebsd-isp@FreeBSD.ORG Tue Apr 5 16:27:59 2005 Return-Path: Delivered-To: freebsd-isp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4F9FB16A4CE for ; Tue, 5 Apr 2005 16:27:59 +0000 (GMT) Received: from monet.titania.net (adsl-68-78-82-25.dsl.milwwi.ameritech.net [68.78.82.25]) by mx1.FreeBSD.org (Postfix) with ESMTP id B1DA543D49 for ; Tue, 5 Apr 2005 16:27:56 +0000 (GMT) (envelope-from jtk@titania.net) Received: from [192.133.102.8] (renoir.titania.net [192.133.102.8]) (authenticated bits=0) by monet.titania.net (8.13.1/8.13.1) with ESMTP id j35GRtHT080779 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NO); Tue, 5 Apr 2005 16:27:55 GMT (envelope-from jtk@titania.net) In-Reply-To: <000801c539f8$95268750$6745a8c0@MESE> References: <000801c539f8$95268750$6745a8c0@MESE> Mime-Version: 1.0 (Apple Message framework v619.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: "Joseph T. Klein" Date: Tue, 5 Apr 2005 11:27:55 -0500 To: "Phillip Salzman" X-Mailer: Apple Mail (2.619.2) X-Greylist: Sender succeded SMTP AUTH authentication, not delayed by milter-greylist-1.5.6 (monet.titania.net [68.78.82.25]); Tue, 05 Apr 2005 16:27:55 +0000 (UTC) cc: isp@freebsd.org Subject: Re: Antispam solutions X-BeenThere: freebsd-isp@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Internet Services Providers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Apr 2005 16:27:59 -0000 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" >