Hi,
An AOL account can be added using Imap or POP3.
to add a such click on Add Account and then select Other...
Next click the IMAP tab.
Type your email address, description and password and set the Hostname as imap.aol.com, the port as 993 and turn on Use SSL.
Click the Sign In button and check again.
Please let me know how it goes,
Shlomi