You might give them a phone call. Their phone numbers and business hours are in the "contact" link at the bottom of the community pages. It can take a while to get through (be prepared to wait), but when you do, I have found the phone staff to be extremely helpful.
Often times, it is much easier to troubleshoot email issues over a different communications path. Amanda and the member services team shoule be able to pull up the email logs and your case history to help pinpoint the problem.
