I have a "plain vanilla" SBS 2003 R2 server on a single NIC behind a sonicwall firewall.
I recently connected a WM6 smartphone (TMobile Shadow) via the instructions I found here on this site. Everything went well and the phone receives email perfectly.
The problem is that email sent FROM the phone disappears completely into thin air. I can't find any error messages anywhere (server or phone) to begin debugging this problem.
Could someone please tell me where to start?
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