SPF, DKIM & DMARC: Email Authentication Basics
Understand the roles of SPF, DKIM, and DMARC and why configuring only one of them is not a complete email-authentication strategy.
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Understand the roles of SPF, DKIM, and DMARC and why configuring only one of them is not a complete email-authentication strategy.
Read guideUnderstand SPF syntax, includes, DNS lookup limits, all-mechanisms, and why a domain should normally publish one SPF policy.
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