Apple Mail SMTP error with iCloud
smtp error when using apple mail
[Re-Titled by Moderator]
Original Title: apple mail icloud error
iMac (2017 – 2020)
Question marked as
I would try a SafeBoot Start up your Mac in safe mode - Apple Support will sort many anomalies
Login and test. Reboot as normal and test. Caches get rebuilt automatically.
You can also remove the iCloud account and re-enter in Mail.