The trickle of "comment spam":http://www.mezzoblue.com/archives/2004/01/12/mt_comment_s/index.php that I've been seeing in my comments has finally increased to the point where I was finally driven to install "MT-Blacklist":http://www.jayallen.org/comment_spam/, and I have to say I'm amazingly impressed with how easy it was to install, and how clean the interface is. Imported the "current blacklist":http://www.jayallen.org/comment_spam/blacklist.txt without any problems, and it even found a stray comment that I hadn't realized was spam (it was trying to give me some line about how my site didn't work in OSX; nice try, sister!).