Here are my problems with MfE

Im using Exchange 2010.

1. It does only work with public certificate. Was not able to use it when we had self issued certificate. Earlier MfE had no problems - you just said "accept security certificate anyway" and off you went. But not with N900 MfE.

2. I have sync set to every 15 min. But if sync fails once due to lack of internet connection - the schedule does not seem to pick up again when you then have connection again - a manual sync fixes the problem.

3. MfE takes EVERY SINGLE folder and tries to sync them all. That is a pain in the B*tt since I have about 9GB of mail in my folders. Had to limit settings to last 4 weeks just to get my data in there.Other MfE only syncs inbox. Other products you can select which folders to sync.

Read my mini review of other N900 stuff on http://kaz911.blogspot.com