Originally Posted by BusterPorn

Rename your comment file

The default for wordpress is wp-comments-post.php by simply renaming this file to say? wpc.php then changing your theme to reflect the different location for the comment file you will ward off a TON of spammers. This will kill 100% of the automated spam bots.

http://www.shoemoney.com/2006/09/29/...its-your-blog/