To authorize Zuora to send emails on your behalf you will have to include it in your SPF record. The SPF record mechanism used for Zuora is shown below.
For more information on how to set up SPF for Zuora please see click on the button below.
To enable DKIM for your domain please contact Zuora Global Support team who will be able to help you.
Create a free OnDMARC account to test your configuration.