[NCLUG] mmmmmmm...spam control

[Mike Loseke]

Thus spake 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.

 And therein lies the problem in the corporate world. If the amount of
legitimate email being denied/blocked/dropped is above 0.0% then it's
unacceptable.

> 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...

 Which is a whole other thread. Torque off the wrong loon and you get added
to a blacklist and good luck getting off. Then nobody gets your email.

-- 
                  | "Once you've reduced living matter to bits, if you
   Mike Loseke    | will, and once you think about programming living
                  | things just as you would program non-living things,
 mike at verinet.com | then that division doesn't exist anymore."
                  |                                     -- Alan Marcus