To improve email deliverability and combat spoofing, setting up DKIM, DMARC, and SPF is essential for your Google Workspace platform . SPF records verify that emails are sent by your legitimate domains. https://jasperuaqn921883.total-blog.com/protecting-your-g-suite-configuration-a-domain-authentication-mail-authentication-reporting-conformance-and-sender-protection-explanation-67736572