I searched the forums and didn't find anything recent in regards to this problem... but I can't believe I'm the only one. When sending an "MMS" to 2 different friends who are on Tmobile, they receive a blank text from me with the tag "sent from my iPhone" at the bottom. No picture though. I'm using the firstname.lastname@example.org method. Any ideas? I've googled all over the place and the problem doesn't seem to exist.