Due to improper POP/IMAP settings, you are facing issues like BellSouth email not working on iPhone. To remove this problem, you have to reactivate your BellSouth email account. Just follow the simple step-by-step procedure given below: Open your settings in your iPhone and in the settings Menu > Mail, Contacts, Calendars and Tap on the Add Accounts, then tap on the button reading "Add Mail Account." There is a prescribed field where you need to furnish your full BellSouth email, password. After this, you have to open the official website of BellSouth; you can find the server information that you have to enter and save the settings. Read this blog if you want to find out how to add a BellSouth account on Apple Mail and solutions if BellSouth email is not working on iPhone. Go through the steps that are given above, as you would be able to find the answer to the significant questions.