Navigate to Email
From your HubSpot Marketing Dashboard, navigate to Content > Email
Manage Email Settings
Once in the Email tool click on the Manage tab, on the left-hand side, click on the link to Manage Settings.
Email Settings > Compliance Copy Email
Once in your Email settings, click on Compliance Copy Email in the left-hand side menu.
Enable Compliance Copy Email
If you've read the above information the Compliance Copy Email and would like to move forward with turning this feature on, click the checkbox next to Enabled.
Once you've checked this box, you should see a text field below it titled "Recipient Email" - this is where you will want to enter the email address of the person who will be receiving the BCC of all outgoing emails. Enter the email address as desired and click Save changes.