You must see to it that you fully close a Renter's Mailbox. To do that, you must unassign the box, and close the account.
- Log in to your Dashboard , click on Customers tab
- On Renters tab select the customer you want to look at on the list.
- Click on Mailboxes and click on the Cogs Wheel on the right side of your screen
- Select Unassign Mailbox. If you click this any mail currently assigned to this mailbox will be deleted.
- Go to the Details tab, scroll down and click on Close Account.