To improve email deliverability and prevent spoofing, configuring DKIM, DMARC, and SPF is essential for your Google Workspace platform . SPF records verify that emails originate your legitimate domains. https://thegreatbookmark.com/story21682578/safeguarding-your-google-apps-configuration-a-domainkeys-mail-authentication-reporting-conformance-and-sender-policy-framework-tutorial