You will be prompted to sign in with your UTD password, enter it and select Sign in.Change “Authentication method:” to OAuth2, ensure connection security is STARTTLS and select OK.Go to the “Outgoing Server (SMTP)” tab and select Edit.In the “Server Settings” tab, change “Authentication method:” to OAuth2.Enter information into the available fields as shown below and then select Advanced config.Email address: Your NetID email (IMPORTANT) Password: Do not enter your password on this login screen.Your name: Your name as you would like it to appear.On the Mail Account Setup window, enter information into the available fields listed below and select Configure manually.Select Email under the 'Setup Another Account' section in the main window. If you have other accounts configured, you can navigate here by clicking on Local Folders on the left-hand side.Launch Thunderbird to bring up the main Thunderbird interface.These instructions are useful for running a version of Thunderbird 77.0b1 or later, supporting OAuth2 modern authentication.

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