Yahoo! Mail is Yahoo's free email service. It also provides address books, calendars and task lists.
Yahoo! uses OAuth by default, which is not supported by DAVdroid. To use Yahoo! with DAVdroid, log into your Yahoo! account, go to "Account info" / Account security and enable "Allow apps that use less secure sign in".
CalDAV Base URL:
CardDAV Base URL:
User name and password: Yahoo! email address / password
CardDAV is not supported by Yahoo! (anymore), so please don't use it with DAVdroid.