If you have already set up email authentication for a client, it's easy to apply that sending domain to other clients in your account. For example, you might have five clients who are separate departments of the same company, or clients who are different stores from the same chain.

When an authenticated domain is set up for a client, it's added to the From email address field for every email they create:

Copy a sending domain to another client

Once you have successfully set up and verified a sending domain for one client, you can add the verified domain to other clients in your account by following the instructions below.

1. In Campaign Monitor, click Clients in the top navigation, then find the client you want to copy a sending domain to.
2. Click Settings > Email setup.
3. Click Set up a sending domain within the Sending domains section (or if you have already have authenticated domains set up, Add domain).
4. In the pop-up window that appears, click the Add an existing domain tab.
5. Select a domain and click Copy domain (or Copy domains if you have selected multiple).