[ashtonkem]

Alas, in some orgs you will need permission to authenticate davmail to Outlook. My IT department has not approved davmail.

[pfortuny]

How can they tell?

Honest question because I fear my uni will start doing this out of “security “.

[rayiner]

Office 365 requires SMTP/POP/IMAP to use an "xoauth" authentication scheme which relies on getting an authentication token from a web browser. The process of getting that token involves sending a request that includes an application ID.