Use Admin Email for Verification: While logging in, use your admin’s email to verify the attempt.
Admin Approval Required: Ask your admin to approve or confirm your login (some accounts require this)
Verify & Try Again: Try logging in again after your admin approves access
Check Spam: Check your inbox and spam/junk folder for verification emails
Status Error 500 (Use IMAP): This error indicates that your server has not been migrated to the latest version of Microsoft Oauth and you need to use IMAP/SMTP to connect your email.