[NCLUG] mmmmmmm...spam control

[Stephen G. Smith]

RBL is not perfect but I do think it helps..
For instance, checkout http://w3.webaccess.net/test_explain.htm
I use one or more of these free tests with both Imail (Win2k)
and Sendmail(Linux) and have see a huge drop in the amount of SPAM
delivered.
For approx. 8 months I saved all stopped messages in a folder
for taking samples to check for false positives and the like.
I process approx. 100,000 messages per day mostly between Colorado and 
Florida. 20,000+ per day were stopped by the tests with a very low 
percentage of legit mail being stopped.
The largest impact has been seen with email addresses that have been in use 
for more than a few years. Some of the addresses I use were getting
several hundred messages per day and now I see less than 20 in total.

I have hear many RBL horror stories tho...



>  If there's a "right" way to stop spam I certainly don't know what it is.
>It certainly isn't the RBL and friends - I get 10 to 15 spam per day on an
>ISP account where that ISP uses several of these services.
>


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