well ha nice answers all, and yes i also block by ip , not all most i do by domain and email, but the very worse ones i block with all, and ofcourse i dont wanna tell someone that they are blacklisted, but i was realy surprise to see the result of responding webmasters who would ask "hey i am on the blacklist whats up"......i quess i am gonna do the same thing on some other linksites , lol i am just gonna bann all
