

Important Changes to Authentication Method Notice In Thunderbird version 68.5 and up you can change the POP server to (port 995). Update: please read section 'Important Changes to Authentication Method Notice' below. See this Yahoo support page for instructions. In Thunderbird below 68.5 you could enable an option to allow apps that use less secure sign-in in your Yahoo Account. If you get the Username or password invalid warning and the Sign-in attempt prevented email when you try to connect your Yahoo Mail with Thunderbird, Yahoo has blocked Thunderbird from connecting because it's a "less secure" non-Yahoo app. Refer to Yahoo!'s help page for IMAP server settings for Yahoo Mail. Refer to Yahoo!'s help page for POP access settings and instructions for Yahoo Mail. 2 Import Yahoo!'s Contact List to Thunderbird.1.4 Important Changes to Authentication Method Notice.Other services not specific to Apple hardware including Yahoo Pipes will see changes as well. Yahoo says users will need to use the web version to access contacts after the upcoming change. On the Mac side, Yahoo will no longer support contact syncing on systems running OS X Lion 10.7 or earlier to address security and speed concerns. Yahoo says it is dropping support for iOS 4 and older versions to focus on security and functionality and points users to to continue using the email service on older devices. Starting then, Yahoo Mail will only work with Apple’s built-in Mail app on iPhones, iPads, and iPod touches running iOS 5 or later. The changes will take place later this month on June 15th. The changes will impact Yahoo Mail with Apple’s built-in Mail app on older iPhones, iPads, and iPod touches, and Yahoo Contact syncing on Macs running older versions of the desktop operating system. Yahoo announced today that a few of its services will no longer be support on older Macs and iOS devices.
