Select your AOL account from the rundown on the email tab and afterward click Change. On the POP and IMAP Record Settings box, select More Settings. AOL mail is not working in sometimes. Select the Active Server tab and ensure the crate denoted My active server (SMTP requires verification) is checked.

How to Fix Email on Android

1.    Check your device's internet connection. 
2.    Restart your Android device. 
3.    Update your email app. 
4.    Check email sync settings. 
5.    Check Android sync settings. 
6.    Check device storage. ...
7.    Reset your email account.