BIS + IMAP on Exchange + Outlook = Duplicate Messages
 

Hello, I have a Pearl 3G updated to the latest OS. I've setup a BIS email connection to my work email using IMAP. My mail is hosted on Exchange.

Now, I receive push email on my BB. If I connect to my account using Outlook (2010) and read or reply to an email I get another copy of my email on my BB.

I've read a lot of posts on the subject. I cannot switch to OWA because my IT does not allow me this kind of access. I'd like to use POP3 because I've read that this solves the problem but I cannot force BIS to use POP3 instead of IMAP.

Other devices I've tried (Android or iPhone) do NOT present this problem.

Is there a solution?

Thanks

Alessandro