Review the folder redirection on the device, the BlackBerry device software must be version 4.0 or higher.
From the Home screen, go to Messages.
Click the trackwheel and select Options > Email Settings.
Click the trackwheel and select Folder Redirection.
In the Folder Redirection menu, expand the Mailbox by highlighting it, clicking trackwheel and selecting Expand.
Under the Mailbox, expand the Inbox by highlighting it, clicking the trackwheel and selecting Expand.
Highlight the folder on which you want to enable redirection. Click the trackwheel and select Change Option.
Note: If you are unable to select Expand for any of the folders, or if the Change Option menu option is unavailable, try turning Wireless Reconcile on the handheld off and then on again. You can find Wireless Reconcile in Messages > Options > Email Reconciliation.
Click the trackwheel and select Save to save your changes.
Set up from BlackBerry Enterprise Server
In BlackBerry Manager, right-click on a user’s name, then click Properties.
Select the Redirection tab.
Select the Selected Folders radio button, then click Choose Folders.
Expand the Inbox.
Select the Inbox and any additional folders on which you want to enable redirection.
Click OK to close the Choose Folders window.
Click OK again.