You are always in complete control of your AwardWallet account and therefore, you can revoke mailbox access at any time and in just two clicks. To do so, you'll need to follow these steps:
1. Go to https://awardwallet.com/mailboxes
2. Click “Delete” next to the mailbox you want to remove.
3. Click “Yes” to confirm.
That's it. If you change your mind, you can always add it back by following the steps from the How to Connect a Mailbox segment above.