I would appreciate any help understanding this issue and how to correct it. This started about two weeks ago and has happened three or four times - late in the evening before and now mid-morning. So far, it has corrected itself each time, overnight. It seems to be happening more frequently and it is a PITA.
Using Apple Mail on Big Sur, my iCloud account (---- @mac.com) seems to be connected (I don't get the disconnected symbol), but I don't receive any emails and if I try to delete or move an email I get this error message:
The message “subject-line-of-message” could not be moved to the mailbox “iCloud”
Mail was unable to open this mailbox on the server “p29-imap.mail.me.com”.
The server returned the error: Server Busy. Please try again later. (took 36 ms)
I cannot connect to my iCloud account. Error message is:
Connection Error
iCloud encountered an error while trying to connect to the server.
Apple's system Status board is all green.
Except for the actual Mail error message, the situation is the same on my iPad and iPhone.
I tried to log into my iCloud account on my wife's iPad and could not. She can log into her iCloud account just fine, however. She also is not having issues with her mail. We are on the same Xfinity internet connection.
Edit: Apple Notes and Reminders are syncing between devices fine.
Thoughts?