Use an Email Blast to Ferret out Spam
I collect a list of all the email submissions from the comments field in the comments admin section. I then make the response url a page where I measure the traffic and check who is coming by IP address. This is a rainy day project but one that can build an appreciation for real users versus those who view yourwebsite as a seo portal for their spam.
Those repeat spam posters who never respond the email blast get deleted.
