By default all OSI Review system emails are sent from the email address "noreply@omnistarlive.com". If you would like to change this and have all the system emails sent from your own domain email address, you first need to submit your request by completing this form.
Once you submit your request, you will receive an email within 24-48 hours with a set of cname DNS records that you will need to add to the DNS of your domain. This change is usually done from your web host or domain name provider.
For specific instructions on adding cname records to your domain, you should reach out to your provider. Here are some links to some instructions for some common providers: