Originally Posted by ~Ray

fire off 3 emails to him asking to unsubscribe and that you clicked the unsubscribe button. Then send a copy of those 3 emails to his hosting company. Then, if they keep coming, you can sue him for $10,000 per email he continues to send. (check local can spam laws)

Take some of his money. He obviously does not care about the adult webmaster community, or there would not be 100+ complaints about him.