Gmail apps for iPhone iOS7, Windows Phone 8.1, and Android apps from Google use oAuth 2.0 and are not affected. If you are using two-step verification, you do not need to enable basic authentication – these accounts require an application-specific password for less secure apps access. In addition to desktop clients, some older mail apps on smartphones and tablets will be unable to connect to Gmail accounts. If you continue to receive this message, contact your server administrator or Internet service provider (ISP).' Task 'Synchronizing subscribed folders for reported error (0x800CCC0E) : 'Outlook cannot synchronize subscribed folders for Error: Cannot connect to the server. You may receive the following send and receive error and Outlook will be disconnected in the Status bar:
When Basic Authentication is turned off, if you are not using two-step verification, Outlook, Thunderbird, and other desktop email clients will be unable to connect to Gmail and the password dialog may come up repeatedly. On July 15, 2014, Google turned off Basic Authentication for all users and requires all mail clients to use oAuth 2.0.
Changes are coming to Gmail and Outlook connectivity this month.
