How to stop user to send email(s) to specific domain?

〉  Login IP-guard V3 Console, select the target computer (group) or user (group) that you want to apply the policy. Click on Advanced > Mail



〉  Enter the policy name from the Property window. Select “Block” for Mode value. Check the Alert check box, select the appropriate Alert Level. Check the Warning check box; enter your custom message in Warning Message area. Enter domain name in Recipients



〉 Click the tick button to save the policy setting



〉  When user going to send to the prohibit domain, IP-guard agent will block the specific email immediately




〉 Administrator can click on the alert button to see the mail alert



〉 Select the appropriate message to view the detail