If you are finding it difficult to set up AOL email by using IMAP settings, then you have to make sure that you are entering the correct information. Read the below-mentioned settings that are required for your AOL email setup: Incoming server: imap.aol.com Incoming port: 993 SSL security : SSL Outgoing server: smtp.aol.com Outgoing port: 587 Require sign-in: yes Even enter the correct login credentials of your AOL account. If you find any problem even after implementing these settings, then call AOL tollfree number to communicate with the experts regarding this issue.