Originally Posted by -Fox-

If you are not 100% sure you sent the money to the OP i suggest you to contact paxum and ask for a rollback.

I sold a domain a time ago and the buyer told me he payed me through Paxum, and it was not me who requested the payment, it was someone with a similar email addres, and also it happened to another seller whos buyers were contacted with payment request from someone trying to steal the money.