Just thought I would let you know about a cool blog (if you are a sysadmin or webhead, such as myself)
Ann Elisabeth’s blog contains a lot of information about various referrer, trackback and comment spammers. She has gotten really good at digging them out from their hiding places and finding all the sneaky ways they go about their business.
If you are a sysadmin you will really love her blog. Go read it now.