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Monday, July 9, 2018

What type of DNS record is used by the Sender Policy Framework (SPF)?

What type of DNS record is used by the Sender Policy Framework (SPF)?

  • TXT
  • MX
  • A
  • CNAME 

 
What type of DNS record is used by the Sender Policy Framework (SPF)?

EXPLANATION







Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing. The SPF is an open standard specifying a technical method to prevent sender-address forgery. SPF allows administrators to specify which hosts are allowed to send mail on behalf of a given domain by creating a specific SPF record (or TXT record) in the Domain Name System (DNS). Mail exchangers use DNS records to check that mail from a given domain is being sent by a host sanctioned by that domain's administrators.

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