Issue: Emails sent to a user never arrive because the user is not recognized as a verified recipient and are therefore blocked. How to add the user as a verified recipient on a Protection Service for Email (PSE) or Messaging Security Gateway (MSG) appliance? Resolution: Log in to the PSE / MSG applianceSelect the System tab from the topGo to the User Management section from the menu of the left Go to Users Click Add User Enter the user's details and click Add Entry Now you can verify that the emails sent to the user are no longer blocked.