When especially irritated by spam of this type I like to look up the isp hosting their register link and then sign up on their site with its abuse@ details (or

When especially irritated by spam of this type I like to look up the isp hosting their register link and then sign up on their site with its abuse@ details (or occasionally @localhost for a bit of variety). Every clog in the gears help or at least it's cathartic to imagine so.