Using New Outlook on Windows for personal email, calendar, and contact management
This is a very good point. 3rd-party email protection is often very good and there should be a way for administrators to disable the banner in Outlook in such cases. The current experience is confusing for end users and, given the high warning rate, meaningless noise that users simply click through.
We are getting this as well, how many of you are using 3rd party API based email filtering solutions with your 365 email? Solutions from Barracuda, Sophos, etc?