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Secure Connection Failed error while sending email using OAuth2.

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When I try to update my account settings in thunderbird from password to oauth2, I am getting secure connection failed error. Imap working fine with password. Thunderbird version 78.7.0 ( 32 bit). Tried accessing outlook.office365.com works without error. Option OAUTH2 giving error.

When I try to update my account settings in thunderbird from password to oauth2, I am getting secure connection failed error. Imap working fine with password. Thunderbird version 78.7.0 ( 32 bit). Tried accessing outlook.office365.com works without error. Option OAUTH2 giving error.
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All Replies (3)

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try without your antivirus and it's self signed certificate.

Helpful?

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hello, issue still not fixed after disabling the antivirus and it's self signed certificate. Please suggest next steps.

Helpful?

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see my reply under question "IMAP Office365/Outlook OAuth2 Authentication Failure"

had to change "authentication method" to "Normal password"

Helpful?

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