Anyway I did some research, and here's what I found:
Here are some links... read if you are interested:
http://www.cleanmymailbox.com/mailblocks.html-- links to patent infringement issue
http://www.geocities.com/spamresources/filter-cr.htm
Burzin
At 02:29 PM 12/5/2003, you wrote:
But, the ultimate challenge is the patent. That means that it would require either [1] paying royalties to the guy that bought the patent, or [2] challenging the patent. We haven't yet found enough benefit from such a test to warrant estimating those costs, given that they are likely to be much higher than for any other spam test we've added.
-Scott
------ Burzin Sumariwalla Phone: (314) 994-9411 x291 [EMAIL PROTECTED] Fax: (314) 997-7615 Pager: (314) 407-3345
Networking and Telecommunications Manager
Information Technology Services
St. Louis County Library District
1640 S. Lindbergh Blvd.
St. Louis, MO 63131
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