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Sending emails

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I recently installed Linux mint 22.1 and the first package I installed was Thunderbird. I proceeded with account creation and Thunderbird picked up on the configuration required. IMAP/SMTP Microsoft MS challenged for authentication password which I provided and my mails downloaded to Thunderbird.

When trying to send email - Authentication fails so I cannot send emails. Is it me, Microsoft or Thunderbird? The message: Login to server smtp.office365.com with username ******* failed.

I can receive mails no problem.

I recently installed Linux mint 22.1 and the first package I installed was Thunderbird. I proceeded with account creation and Thunderbird picked up on the configuration required. IMAP/SMTP Microsoft MS challenged for authentication password which I provided and my mails downloaded to Thunderbird. When trying to send email - Authentication fails so I cannot send emails. Is it me, Microsoft or Thunderbird? The message: Login to server smtp.office365.com with username ******* failed. I can receive mails no problem.

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