Originally Posted by dionysvs
actually a mail TRADE comes back to you in 24hours. Im not 100% sure about a simple mail but i think the items/galders/msg get deleted if they arent taken/read in 7 days and you lose the items.
If they are not taken they are returned to sender first then there is a period of time before they are deleted.
Is there a chance that you accidentally did not mail trade them and sent them the item?