When you delete an email account from your account, you will need to delete the user as well before you can add the email address again.

Here are the step to complete this process.

1. Log into the Customer Control Panel , with your main account’s username and password.

2. Click on the “Users” tab.

3. Click the check box to the left of the user.

4. Click the “Delete” button. Confirm the deletion.

5. Once completed, click on the “Mail” tab and now you can add the email account again.