abusive PM's, what are our options

eventually, we all get involved with someone in a game, that spills over to PM's, and it can get nasty. however, at what point does the banter go from being funny, playful, a bit nasty, to just being a bit too abusive. i received the following PM's from a member of a respected clan, after i requested that he remove a 1 rating he gave me for attitude, in a game me and my partner beat him in. we were challenged by his partner while playing members of their clan in another game, and were playfully talked mega-trash to until we joined... we responded in kind, had a nice bout with them, destroyed them, and then i received a 1 rating for my attitude in the game. yes, we talked trash, and they responded. but whatever, that's fine, keep the rating. but at what point are PM's so abusive that you can ask a mod to step in? can you receive a ban for abusive PM's? i myself have sent out more than a few nasty PM's, but they are always argumentative and not childish as these PM's are. these PM's are not affecting my life, i am just wondering when abusive is too abusive. does anyone have any input on this? PM's follow and the game is http://www.conquerclub.com/game.php?game=2704430 :
even more ineresting, his comment in the game chat about our teams banter. funny, considering he sighted the game chat as grounds for the 1 he gave me:
2008-06-30 22:28:55 - abusive memer: This is more fun than the game.
abusive member wrote:And yet you are suck a F-Word<edited by wacicha> loser, you continue to respond...
abusive member wrote:Knowing men doesn't make you one. You are still a worthless piece of s-word<edited by wacicha>.
abusive member wrote:How pathetic is must be to be you. Do you get a handicapped tag?
abusive member wrote:P-word<edited by wacicha>
abusive member wrote:Man, I have to go back to "are you f-word<edited by wacicha> serious"? You realy need to get a life. Really.
abusive member wrote:You deserve the one stupid ass. Read your abusive game chat. I hope you have the mods look at it.
abusive member wrote:Your mothers sucks, mmmmmmmmmm......
*note*-he has me n foe, and can no longer read my chat because of it. it is impossible for users to delete game chat.abusive member wrote:Nice, I see you deleted you chat that started the whole thing. I still say, f*ck you but plug bandit leader
abusive member wrote:Oh, one more thing I don't know about the system. How do I block pm from annoying assholes on this site?
even more ineresting, his comment in the game chat about our teams banter. funny, considering he sighted the game chat as grounds for the 1 he gave me:
2008-06-30 22:28:55 - abusive memer: This is more fun than the game.