We have Exchange 2003 SP3 and BES 4.X. One user's blackberry stopped receiving any external email. He receives internal email fine as well as can send.
I reviewed the filter settings on the blackberry and they are fine (i.e., set to forward email to blackberry) as well as the security permissions on his active directory object (i.e., BES can access the account just fine). I have rebooted his device and restarted the BES services. I have also deleted him as a user and reloaded his blackberry, and the same issue occurs (when it reloads, it loads all of his email for the past 30 days as anticipated).
Does anyone have any advice?