I don't know if it will be this simple but you might want to check these settings. Go to your messages folder. Click the wheel and go to options >Email Reconciliation. For each Message Service ("Desktop" is your exchange mail which sounds like is working ok) make sure the "Delete On:" is set to "prompt" and "Wireless Reconcile:" is set to "On". Since you are on a BES for your corporate mail you also might be able to get a little help from your company's IT department.
I don't use Outlook anymore (except for corporate exchange mail) but my BIS accounts will only reconcile deletes, not reads (using GMail now). Maybe I'm doing something wrong too.
Last edited by John Clark : 11-16-2006 at 02:12 AM.