[aclug-L] Using RBL on Email server

[Dale W Hodge <dwh@xxxxxxxxxxxxxxxx>]

I know this is probably going to be a question that most of you can't 
answer, but has anyone else on the list tried using RBL's on their mail 
server?  If so, which have you liked and which do you not?

For those wondering what I'm asking about, I'm referring to using 
Realtime Black Lists on my mail server to try and stem the tide of spam 
email. The concept is to reject the message at the gateway by consulting 
a list of known and/or potential spammer IP's rather than using 
filtering software to try to deal with the messages after they've been 
delivered. The problem as always is one of how much do you trust a list 
to be accurate. Using a conservative list has helped some, but now 
wondering which lists are more aggressive without being too aggressive.

--Dale

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