Empty the deleted items folder on your computer from your device
To perform this task, your work email account must use a BlackBerry® Enterprise Server that supports this feature. For more information, contact
On the Home screen, click the Messages icon.
2. Press the Menu key.
3. Click Options.
4. Click Email Reconciliation.
5. If necessary, change the Message Services field.
6. Press the Menu key.
7. Click Purge Deleted Items.