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Thunderbird can not receive new email with Office365 via OAuth2 method

  • 21 replies
  • 1 has this problem
  • Last reply by Matt

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Dear all,

Microsoft banned all basic authentication method from Office365 because these method does not support multi factor authentication.

After that, I reconfigured the the configuration by used OAuth2 method on latest version of Thunderbird (78.5.1 (32-bit). The result as follows: + Can not receive new email from Offfice365 (Alert: As attached file No. 1)

+ However, I can send the email normally with OAuth2 via SMTP

Please help me fix this problem.

Thank you so much for your support.

Attached screenshots

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