Warnings about the new method of authentication for calendar and email accounts

[Michael in Paris]

I use Thunderbird on Windows 10 in order to access my Hotmail mailbox.As Microsoft had sent notifications that I need to upgrade the IMAP and SMTP connection methods to OAuth2, I did so a while ago;But I still received yet from Microsoft another warning yesterday, to the effect that "If you're receiving this email, you're currently using an email or calendar application that uses a less secure authentication method to sign in to your Outlook.com email account."This is definitely not the case.

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