Tech Insight : What Are SPF, DKIM, And DMARC Records?
In this insight, we look at the popular email authentication protocols SPF, DKIM, and DMARC, how they work, why they’re important, and what happens if they’re not set up properly. What Is SPF? SPF, or Sender Policy Framework, is an email authentication protocol used to verify the sender of an email message. It is used to detect and prevent…