Guidance for Allowlisting in Google:
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Sign in to your Administrator account
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On Admin Console > Menu > Apps > Google Workspace > Gmail > Spam, Phishing and Malware
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On the left, select top-level organisation. This is usually through your domain
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On the Spam, Phishing and Malware tab, scroll to the email Allow List Setting or search enter allow list
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Enter the IP Address of the sending mail servers you want to add to the allow list
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Bob's Business Sending IP Address - 35.178.254.71
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At the bottom click save
- May typically happen quickly but sometimes changes can take up to 24 hours
For more information:
Google Guidance - https://support.google.com/a/answer/60751?hl=en