Dan Moren: Thanks to enhanced security that Apple has put in place as of July 1, folks with those specific [mac.com/me.com/icloud.com] usernames can no longer connect to the AIM service with clients other than Messages running on OS X 10.7.2 or later. […] If you don’t want to upgrade your version of OS X or … Continue reading iCloud Drops Support for Third-Party AIM Clients