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Secure Connection failed while using OAuth2 authentication.
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Microsoft Q & A
386
Reputation points
Secure Connection failed error while using OAuth2 authentication in Thunderbird application. Settings are correct and using normal password it is working.
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{count} votes
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KyleXu-MSFT 26,396 Reputation points2022-06-17T02:13:23.457+00:00 From this article, we can know that if your device supported and want to use OAuth to send emails. You need to take the steps below:
Due to this thread also related to AAD configuration, I will help you add the "Azure-Ad-App-Registration" tag to this thread.
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Microsoft Q & A 386 Reputation points
2022-06-17T06:00:14.483+00:00 I don't think so that all the mentioned steps are required for Thunderbird application. It supports OAuth2.
https://kb.wisc.edu/helpdesk/page.php?id=102005 -
Microsoft Q & A 386 Reputation points
2022-06-18T16:56:34.817+00:00 Any idea why secure connection failed error is coming as i have checked it is working in other machine.
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