Catching Forged IPs

Here's another interesting variation of a forged IP catcher I found in the 
SPAMford Wallace/Cyberpromo FAQ:

:0:
* ^Received.*\[[0-9\.]*([03-9][0-9][0-9]|2[6-9][0-9]|25[6-9])
SPAM

I'm ganging my collection of these together to see which catch what ones.

Regards,

Dave/Webmaster

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the bodies of the SPAMMERS that I killed."