Quoting Mark <[EMAIL PROTECTED]>:

> "Look at SMTP connections, and consider all IP addresses spam that, in one
> session, deliver to 4 or more local recipients simultaneously."

This gave me a good idea for a test I could run in MIMEDefang.  I have a small 
wrapper in my mimedefang-filter around the spam assassin check, and I run 
custom tests and alter the SA score based on these tests.  I'm trying out your 
theory and for now just copying any message that comes from an external relay 
that is addressed to more than 10 recipients at once.  I'm going to see what 
kind of stuff I catch.  My guess is it will be mostly spam, as you've said.  In 
the end I may decide to score this test at 1.5-2.0.

Thanks for the idea!

___________________________________________
Michael Sims
Project Analyst - Information Technology
Crye-Leike Realtors
Office: (901)758-5648  Pager: (901)769-3722
___________________________________________


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