Visit their websites they have contact information there, you can even chat with them… Just request them to stop sending you emails. Also if they dont stop you can report them to spamcop.net
Well the percentage of junk gambling mail is small compared to regular junk mail so this isn’t a big problem. If there’s a return address then return to sender. If not throw it away with the satisfaction that they’ve spent a lot more money on this then regular junk mail and they are out some money here again.
King Cobra Poker