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Authentication failure ALWAYS when everything is set right

  • 1 reply
  • 1 has this problem
  • 9 views
  • Last reply by Stans

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Hello. Using Thunderbird 91.10.0 (64-bit) MS Windows 7 64-bit SP1 (professional). Everything is set for oauth2 etc. Thunderbird connects to gmail. The password is correct. Cookies are set. When granting Thunderbird access to my emails, Authentication Failure. I have no tricks up my sleeve at this stage. It ought to work. Please advise a solution. (Gmail did not get back to me.) Regards

Hello. Using Thunderbird 91.10.0 (64-bit) MS Windows 7 64-bit SP1 (professional). Everything is set for oauth2 etc. Thunderbird connects to gmail. The password is correct. Cookies are set. When granting Thunderbird access to my emails, Authentication Failure. I have no tricks up my sleeve at this stage. It ought to work. Please advise a solution. (Gmail did not get back to me.) Regards

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There has been at least one other user with the same problem, Windows 7 being the culprit. I suggest you revert back to Normal Password authentication and use an app-specific password instead.