If you are already set up as a supplier all correspondence must be received from the domain that is validated against your supplier account, we are unable to respond to any other email domain.
For GNFR suppliers - Please log in to the Coupa system where you will be able to update your supplier information.
Please be advised you will only be able to complete the Charity registration and One Time Vendor forms through Coupa if this process has been initiated by your business contact and you have received a Coupa registration email.