The scenario here is, you want to create an email address @yourdomain that simply forwards to another email address not on your domain, and you want to do it without using up a license.

1. Create a regular conference.

2. Right-click and select Permissions.

3. Make sure that the "Do Not Publish In Directory" option is UNchecked, and make "Internet" a Contributor:

   

4. Click the Directory button and enter a viable email address as the Alias:

   

5. Click the Rules button and create a New Receive Rule. Give it a name and check the Enabled box. Under the "If" section, select "Always." Under the "Then" section, select "Redirect" and enter the offsite email address you want to forward to.