If you are a Thunderbird user who hates the thought of being forced to spend half your working day dealing with Microsoft Exchange, you are not alone!Īnd if you are going nuts because you haven’t yet figured out how to keep using Thunderbird following your department’s conversion to Microsoft Exchange and the (more recent) rigorous enforcement of dual-authentication, read on! If you are a kindred spirit, perhaps this will be of help! She kindly agreed to write up her experiences. IMAP (that is, reading mail) still works, but SMTP (sending mail) does not.Ĭampus IT doesn’t support Thunderbird, but a friend of mine was able to get Thunderbird working. As a security nerd, I applaud this move! But it does mean that Thunderbird die-hards in units who use Microsoft Exchange 365 as their mail server, things don’t “Just Work” anymore.

UMass recently upgraded many of its systems to use OAuth2 and two-factor authentication aka “modern authentication” (without allowing fallback to username/password only, aka “legacy authentication”).

Update : I’m told that UMass changed its Azure authentication policy in late June, and Thunderbird now once again works out-of-the-box with UMass’s Office 365 mail service.

Connect thunderbird to office 365