Node: Computer, User
Path: Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page
Setting: Site to Zone Assignment List - Enabled
1) In the Site to Zone Assignment List you can click the Show button and enter in a website under value name. You have a few options on how to enter a website. Entering *.google.com will set the entire Google.com domain into a particular zone. This will include mail.google.com, google.com/support and http, https, ftp, or any other protcal for the google.com domain.
Under Value enter a number 1-4 to represent the zone you are placing the site into.
0 - My Computer
1 - Local Intranet Zone
2 - Trusted sites Zone
3 - Internet Zone
4 - Restricted Sites Zone