Data Protection policy to block all outbound emails to specific external email addresses
Article ID: 175995
Block any message going out to a specific set of email addresses.
Create a recipient group
Navigate to Services > Platform > User Groups > Create New Group
Enter a name for the group (Example: Block all Outbound emails to specific addresses)
Enter external recipient email addresses in the New user's box and click Add
Save and exit
Create the block policy
Select Services > Data Protection > New Policy
Enter a name for the new policy (Example: Block all Outbound emails to specific addresses)
Select Apply To: Outbound email only
Execute if: All rules are met
Change Action to "Block and Delete"
Beside Action, check the box for "Stop evaluation of lower priority policies". Checking this box ensures that if an email is blocked due to this policy, no other policies with lower priority are processed.
Administrator email: Use the default administrator address or select Use custom
Decide on your use of notifications for the policy. By default only the admin gets notified when the policy is triggered.
Add rules to the policy
Click Add Rule
Execute if: Any conditions are met
Add a condition > Recipient group > Browse for a group > Select the recipient group created earlier (Block all Outbound emails to specific addresses) > Add