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After crash, I had to reinstall Windows. After I enter correct address and password, Thunderbird won't connect. I suspect that my two party authorization set up with mail.com is the problem. Thanks

After crash, I had to reinstall Windows. After I enter correct address and password, Thunderbird won't connect. I suspect that my two party authorization set up with mail.com is the problem. Thanks

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If you have two-factor authentication, create an app password and use that in TB when asked for a password.

https://support.mail.com/security/2fa/application-specific-passwords.html