Date: Tue, 18 Dec 2007 16:07:01 -0800 From: Chuck Swiger <cswiger@mac.com> To: Eric Crist <mnslinky@gmail.com> Cc: girishvenkatachalam@gmail.com, Jorn Argelo <jorn@wcborstel.com>, freebsd-questions@freebsd.org Subject: Re: (postfix) SPAM filter? Message-ID: <66EF345A-B011-4344-876A-758B9C1FE5B5@mac.com> In-Reply-To: <A6EAB1D6-CB49-4008-899D-51078181C4C4@gmail.com> References: <20071216185050.GB26535@brahma.susmita.org> <9cc0a3fa1d403f16f4fc9b2abb49fb75@mail.wcborstel.com> <A6EAB1D6-CB49-4008-899D-51078181C4C4@gmail.com>
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On Dec 17, 2007, at 7:56 AM, Eric Crist wrote: > I hear a lot of people saying that greylisting doesn't work, when I > have actual numbers for my network proving it does. These numbers > are from the first week of May 2007 to today: > > Greylisted/Rejected Messages: 187560 > Spam Tagged Messages: 3806 > Virus Tagged Messages: 0 > Bounced Messages: 7 > > Total Messages Sent: 761 > Total Messages Delivered: 25345 I'd second the recommendation, although my stats don't keep long-term track of the difference between something greylisted and something bounced due to policy-weightd. Over the past year, I've had: Rejected Messages: 1,624,353 Spam Tagged Messages: 39,633 Virus Tagged Messages: 2947 Bounced Messages: 7609 Total sent: 103,433 Total received: 122,614 About 93% of the incoming traffic gets rejected permanently (via policy-weightd) or temporarily via greylisting; of the remainder, about 40% is tagged as spam and about 3% is tagged as viral. -- -Chuck
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