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What is SPF?

Date:2012-04-26 17:57Origin:Unknown Author: admin Click:
Sender Policy Framework (SPF), as defined in RFC 4408, is an e-mail validation system designed to prevent e-mail spam by tackling source address spoofing, a common vulnerability. SPF allows administrators to specify which hosts are allowed t
  Sender Policy Framework (SPF), as defined in RFC 4408, is an e-mail validation system designed to prevent e-mail spam by tackling source address spoofing, a common vulnerability. SPF allows administrators to specify which hosts are allowed to send e-mail from a given domain by creating a specific SPF record (or TXT record) in the public Domain Name System (DNS). Mail exchangers then use the DNS to check that mail from a given domain is being sent by a host sanctioned by that domain's administrators.
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