| Filter Spam by IP Address? |
 Posted by
Bruce Cates
on Friday, July 22, 2005 at 12:41:25 PM (EST)
We are filtering spam via the DNSBL options with some success. Is there a way to keep a local list of IPs and IP ranges collected from junk email? (Ideally, something similar to the SMTP relay filter.) Would it require setting up DNSBL service?
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 Posted by
Robert Smith
on Friday, July 22, 2005 at 1:13:43 PM (EST)
Not really, but you could use bayesian filtering to do it based on content. Blocking IPs isn't really effective because spammers use all those trojan-infected zombie computers to spam. You'd probably end up blocking 1/2 the internet before you were done! lol!
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Posted by
Bruce Cates
on Friday, July 22, 2005 at 2:27:05 PM (EST)
I think blocking half the Internet would just about do it. We are using the Bayesian filter (set to 85% currently and increasing as it learns.) I was looking for a way to hit those IPs that come up frequently. Thanks.
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