How to Enable Protection From Incoming Emails Spoofing Your Domain

Quick and easy-to-follow guide for Google Workspace administrators

Enable this security setting to protect all users from emails not authenticated with SPF or DKIM, pretending to be from your domain.

How to enable Google Workspace protection from internal emails without SPF and DKIM step-by-step with images

Step 1

How To Enable Protection From Incoming Emails Spoofing Your Domain in Google Workspace - Step 1

In the Admin console at https://admin.google.com, click the Apps icon.

Step 2

How To Enable Protection From Incoming Emails Spoofing Your Domain in Google Workspace - Step 2

Select Google Workspace.

Step 3

How To Enable Protection From Incoming Emails Spoofing Your Domain in Google Workspace - Step 3

Click Gmail. Make sure not to check the box to the left; just click the service.

Step 4

How To Enable Protection From Incoming Emails Spoofing Your Domain in Google Workspace - Step 4

Select Safety.

Step 5

How To Enable Protection From Incoming Emails Spoofing Your Domain in Google Workspace - Step 5

Select Spoofing and authentication.

Step 6

How To Enable Protection From Incoming Emails Spoofing Your Domain in Google Workspace - Step 6

Check Protect against inbound emails spoofing your domain.

Under Choose an action, decide what to do with emails caught by this rule:

  • Keep email in inbox and show warning (default)
  • Move email to spam
  • Quarantine


If you select Quarantine, click Choose a quarantine to select a quarantine to use for this. See how to create and access quarantines here.

After updating, click SAVE at the bottom. Changes may require up to 24 hours to take effect.

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