You can find out who is receiving invoice notifications, as well as payment notifications in the Notifications area of the Billing Area. You can also see which users are authorized to log in to the Billing Area, as well as call AppRiver to discuss billing information.
1.Log into the Customer Portal at http://cp.appriver.com.
2. Click the Billing Area.
3. Open the Notifications tab and select the Invoices tab.
If you you do not see the user you are looking for on the lists, you can go to Contacts page in the Partner Area to manage the authorized users.