Domains are added and linked to an identity provider. This allows the correct identity provider to be contacted for a particular email address being used for SSO.
1. From the Single Sign-On area of Admin, click the Domains tab.
2. Click Add Domain.
3. Add the Domain Name. This should be in the format: mydomain.com
4. If you have already added the identity provider that you wish to use with this domain then you can select it from the identity provider list. If not, you can leave it empty.
5. Click Create to add the domain.
At this point you should see the domain listed on the Domains tab. You will now need to verify domain ownership before it can be used for SSO.