Moblog configuration problems

Dears, since I´ve just moved from movabletype to typepad I wanted to get my first Moblog running – but guess what: it didn´t work, I got funny error messages from typepads postmaster, that the emial adress, I was posting from, was unknown. So it took me nearly a day to find out, that you HAVE TO WRITE A SUBJECT OR MAILBODY in addition to a photo you want to send from your mobile phone. Otherwise it wouldn´t work. Well, typepad crew: I love your tool, but this was just too crazy…;-)