This should be doable via either Thunderbird directly or via an account authentication plug-in infrastructure. NOTE: From my understanding in various Thunderbird plugin discussions (such as ) having a plug-in handle the authentication is not possible at least under the current design.ĭialog pop-up to interact with O365 in order to perform the 2FA authentication and get a token that Thunderbird can then re-use for the duration of the session. Setup an email account with O365 that has Microsoft's 2FA setup and does not allow Application Passwords (b/c it's not available for all integrations with O365).Īuthentication Denied as there is no ability to either pull a token from Firefox/Chrome, or perform the 2FA authentication.
