I didn't know that concept was patented. It seems pretty old to me-- halt who goes there?
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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