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This setting allows you to recover deleted items. We recommend that you configure your Thunderbird to move your deleted messages to the Deleted Items folder on the server (webmail). You should be prompted to complete the normal web-based two-factor authentication process.Click Done. The Thunderbird main window displays.Username (Incoming and Outgoing): your SUNet If you do not have OAuth2 as an authentication choice you can click the Re-test button after filling in the server information. This will fail and a message saying "Thunderbird failed to find the settings for your email account" will display.
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