Tony4now Said:
"Godaddy office 365 Microsoft exchange email setup in mail app fails to send mail after setup wizard. Is it Apple code error or Microsoft exchange? There’s no smtp setting option"
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Troubleshooting Office 365:
A. Use a New App Password:
Do you use an App Password? If so, try a new App Password. Sometimes, changes (i.e. updates) are made to the device, and then mail server syncing becomes an issue (which is what a new App Password it intended to fix). You'd go here for gmail: Sign in with App Passwords - Google Account Help - Google
and...
B. Contact Microsoft:
They are the developer of Office 365. Ask them why you are getting the error. You may need to uninstall Office, and then reinstall it. Start Here: Microsoft Contact Us Virtual Agent - Microsoft Support. Perform a chat session with Microsoft using a computer, as it would be more user-friendly doing so