Why does it show “No Data” for my domain? In some scenarios, GlockApps Postmaster doesn't show the domain's metrics in its dashboard. The typical situations when you can see the "No Data" message for a domain are:
How can I add a domain to the Postmaster Tool? The Postmaster tool allows you to connect to your account with Google Postmaster where the reputation data for your domain is shown. This means you need to add a and verify your domain in your Google Postmaster account.