1. Microsoft 365
  2. Exchange Admin\Mail Flow\Connectors\
  3. Add a connector
  4. Select Your organization email server
  5. Name the connector
  6. Select By verifying that the IP address of the sending server matches one of the following IP addresses, which belong exclusively yo your organization.
  7. Enter the IP address:

Enter the following on your copier or scanner:

Port 25
SSL- Off
SMTP Auth- Off
SMTP Auth Encryption- Off