Message on statistics for spam blacklists
This recent message about spam blacklists struck me as much food for thought (note the ratio):
Date: Sun, 23 Feb 2003 13:48:53 -0800
Sender: Spam Prevention Discussion List
From: "Wolfgang S. Rupprecht"
Subject:Re: Humor, Media: Report on SpamCop's blocking problems
(Angel Rivera) writes:
> Agree with SpamCop and use it, or disagree with it and don't use
> it. I use it and have learned no shocking secrets to keep me from it
> at this point.
So do I. I was a bit wary of it at first due to all the bashing it took, but I haven't seen any gross lossage due to it. Our current spamload is hovering at just under 300 spams per person per day. Spamcop nailed 250 of them. If there are any false positive spamcop hits in there, they are totally lost in the noise.
summary from Fri Feb 21 10:00:26 2003 to Sun Feb 23 10:57:04 2003 (2.0 days)
total spam msgs: 1170
total good msgs: 502
total spam/day: 573.7
total spam/month: 17211
spam ratio: 69%
Msg:
497 Service unavailable; Client host [X.X.X.X] blocked using bl.spamcop.net
216 Service unavailable; Client host [X.X.X.X] blocked using relays.osirusoft.com
188 Service unavailable; Client host [X.X.X.X] blocked using dnsbl.njabl.org
92 Relay access denied
...
