Forum Discussion
Is Exchange Online POP3 down?
We have a system that uses POP3 to access email from an Exchange Online mailbox. Over the course of today, it has worked for periods of time, and then for several hours at a time, reported the follow...
this wound up being an individual “service incident” flipped on my Microsoft for our account. We worked with a tech and got it turned back on, but seems to be a random incident that affects some of their customers for no specific reason.
Did you opt-out of shutting down POP3? Microsoft is intentionally shutting down Basic Authentication protocols such as POP3 a few hours at a time in tenants if you don't opt-out of these.
