Follow the instructions below on how to remove a Administrative Copy email from a service contact.
Click on the button with three horizontal lines at the top left corner of the screen and click on Service Contacts (or Firm Service Contacts) in the drop down menu.
Locate the contact's name and email, then click on the corresponding Pencil (Edit) Icon on the right.
Locate the Administrative Email(s) field and delete the email address listed there or enter a new email to replace it. Click Save once you're finished.