I had the same problem and what I did to fix is..
I went to settings/applications/manage applications
Then what you have to do is filter and show all applications
Then go to email and clear all data.. and then you will have set up the email again.
It worked for me!
Yes, but it is an exchange app, and according to the docs does not support pop or imap.Touchdown, best app ever.
Touchdown, best app ever.