Use enhanced pre-delivery message scanning

When Gmail identifies that an email may be phishing, it might show you a warning or move the email to Spam. Enhanced pre-delivery message scanning improves how to identify suspicious content. 

When Gmail detects suspicious content, it introduces a short delivery delay to perform additional checks. Gmail does this through a setting that can be turned on for your domain. 

Find the enhanced pre-delivery message scanning setting

To find this setting:

  1. Sign in to your Google Admin console.

    Sign in using your administrator account (does not end in

  2. From the Admin console Home page, go to Appsand thenG Suiteand thenGmailand thenAdvanced settings.

    Tip: To see Advanced settings, scroll to the bottom of the Gmail page.

  3. Select your top-level organization.
  4. Scroll to the Enhanced pre-delivery message scanning setting.
  5. Check the box to apply the setting to your domain, or uncheck the box to turn the setting off.
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