"Mark for Download" Emails

[Guest djpfine]

I finally managed to get gmail working on my SMT5600, but now have a new problem. Even though I've set my phone to download entire messages, I still see emails that come in with nothing but "Mark for Download" in the body. Funny thing is that the message is never downloaded. Instead, I'll leave my phone unattended for a few minutes, and when I come back to check, my inbox will be totally empty...with no trace of the original email in sight.

1) Why are messages still saying "Mark for Download" when I have it set to download entire message?

2) Why are these "Mark for Download" emails myseriously disappearing?

Any ideas what's going on?