If you are facing Bellsouth email login problems
, you might be able to fix them by simply changing your password. This problem can occur with some legacy accounts, and to resolve it, you should go to Bellsouth's website and change your password.
Check to see if the problem persists after changing the password. If the problem persists, you might want to consider creating a secure mail key. This is essentially a password that you will only use for Outlook. If you want to keep your email safe from malicious users, using a secure mail key is a great way to do so.