SPF Record (Sender Policy Framework)

Email Sender Validation Mechanism

What is an SPF Record?

An SPF (Sender Policy Framework) Record is an email authentication mechanism that specifies which mail servers are authorized to send emails on behalf of a domain. It is published in DNS and checked by receiving mail servers.

SPF is one of the foundational controls used alongside DKIM and DMARC.

What is an SPF Record used for?

SPF is used to prevent unauthorized senders from impersonating a domain, reducing the risk of Phishing and Domain Spoofing attacks.

Organizations implement SPF as part of their Email Security strategy, ensuring that only trusted sources can send emails from their domains.

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Critical Business Process (CBP)
Essential Operational Workflows
Common Vulnerability Scoring System (CVSS)
Standardized Risk Scoring Model
CompTIA
IT and Cybersecurity Certification Body

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