
- #Problems with mozilla thunderbird not responding update
- #Problems with mozilla thunderbird not responding password
To configure the Thunderbird calendar (Lightning) with your Yahoo! Calendar, follow the instructions at the page Sync Yahoo Calendar with Mozilla Lightning on the Yahoo! support site. Your Yahoo! contacts will be imported as a separate yahoo_contacts address book.Select the yahoo_contacts.ldif file that you previously saved.Under Tools, select Import and then Address Books.Save the yahoo_contacts.ldif file to your desktop or some other place where you can find it later.Select Netscape/Thunderbird and click Export Now.At the top of the list, click the Actions menu.On the right side of the screen (left if you are using the "classic mail"), select the Contacts icon.Import Yahoo!'s Contact List to Thunderbird After a Thunderbird restart youll be prompted for your Google credentials, and youll have to allow Thunderbird to access your Gmail account.

That goes for both, the incoming, and outgoing server. This is done with a OAuth 2.0 key exchange in Thunderbird which will authenticate the Thunderbird client in future logins. If not yet done, turn on OAuth2 authentication in your account settings for the Gmail account. Then there will be a prompt from your Yahoo ISP partner to login. Wait a few moments for background process to complete Set incoming server 'Authentication Method' to 'Oauth2'.Select 'Server Settings' for mail account.Set outgoing server (SMTP) 'Authentication Method' to 'Oauth2'.Bottom right: click on 'Edit SMTP server'.Select 'Menu app icon' > 'Account Settings'.
#Problems with mozilla thunderbird not responding update
Update the 'Authentication Method' for the Pop or Imap mail account.
#Problems with mozilla thunderbird not responding password
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.

1.4 Important Changes to Authentication Method Notice.
