How to block emails from external sources


How can you block emails from certain domains when you are getting unwanted emails.


  • Admin console
  • Spam settings


  1. Log in to the Admin console as an administrator.
  2. Navigate to Menu > Apps > Google Workspace > Gmail > Spam, Phishing and Malware.
  3. To apply the setting to everyone, leave the top organizational unit selected
  4. Scroll to Blocked Senders and choose Add another rule.
  5. Enter a description for the Blocked Sender setting.
  6. Select Create or Edit List.
  7. In the Manage Address list window, click Add Blocked List.
  8. Enter a name for the list.
  9. Click Add Addresses to domain names to the list.
    • For example, add to block all emails that end with
  10. After you've added all the domains, click Save.