Using Thunderbird to send SMTP through my GMail fails, even when OAuth token established
I have used the Thunderbird support article "Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication" to make sure that I have configured Thunderbird appropriately after Google changed to using OAuth authentication. IMAP is working correctly for incoming mail, but I am not able to send messages from Thunderbird using GMail SMTP. The message send fails, stating that it times out.
I am able to use my GMail account's Web interface to send a message, so I know that my account has that capability. Has anyone any experience on how to solve this problem?
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“Sending failed. Message couldn’t be sent because the connection to the outgoing server SMTP timed out. Try again.”
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