Looks like an issue with iCloud mail right now. Doesn’t seem to be a total outage, just hit or miss. Mines not working and iCloud.com gives an error when trying to access mail.
https://www.apple.com/support/systemstatus/#mn_p
https://www.apple.com/support/systemstatus/#mn_p
![cfae91bd9c7de5f0784f121c5688c9f3.jpg](/proxy.php?image=https%3A%2F%2Fuploads.tapatalk-cdn.com%2F20221102%2Fcfae91bd9c7de5f0784f121c5688c9f3.jpg&hash=0185036c139bead39ee2ddce93c61ce8)