Would there be any reason for PMs getting lost between my hitting "send" and my partners' PM box? This has happened a few times in the past two months with two separate people. I've sent PMs, they've shown up in my "sent items" tab, and I get no word for several weeks. I send another PM along the same lines after several weeks, referring to the previous PM, and am told that my partner never received my previous message.
Has anyone else had this problem? If so, is there a fix for it?