Unable to sign in to Mail app on Mac with email accounts

ange_schimel wrote:

I'm unable to log in to the Mail app on my Mac with any email.

I have 2 that I primarily use: 1 Hotmail account and 1 iCloud account, and neither can log in to the app.

old issue, new issue, what changed...?

Check your Apple ID device list to see where you're signed in

Check your Apple Account device list to find where you’re signed in - Apple Support

ref: Set up iCloud Mail on all your devices

No insight or resolve—

You can Call Customer Support  (800) MY–APPLE (800–692–7753)

or on line  https://getsupport.apple.com/

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Contact Apple Support - Apple Support