Hi ethoms, and welcome. I've had a look on bugs.maemo.org regarding your problem, this is what I've found:

- https://bugs.maemo.org/show_bug.cgi?id=6702

Is that your problem? Maybe you can vote for that bug and be helped/help finding a solution.

Also see this IMAP related problems, maybe you can find them interesting and vote for them:

- https://bugs.maemo.org/show_bug.cgi?id=8093
- https://bugs.maemo.org/show_bug.cgi?id=3484
- https://bugs.maemo.org/show_bug.cgi?id=5553

Hope this helps, if you have difficulties in using Bugzilla, feel free to ask.