Enabling SPF (Sender Policy Framework):

1. Access the Google Admin Console: Sign in to your Google Workspace admin account at admin.google.com using your administrator credentials.
2. Navigate to the Apps section: Once logged in, click on “Apps” or “Apps > Google Workspace” in the admin console.
3. Select Gmail: From the list of apps, locate and click on “Gmail” to access the Gmail settings.
4. Go to the “Authentication” tab: In the Gmail settings, click on the “Authentication” tab.
5. Enable SPF: Under the “Authenticate email” section, locate the SPF (Sender Policy Framework) option and ensure it is enabled.
6. Save the changes: Click on the “Save” button to save the changes.