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Thursday, August 2, 2018

What can be used to protect you from receiving email messages with a forged sender address?

What can be used to protect you from receiving email messages with a forged sender address?

  • Digital ID
  • IMAP
  • Secure SMTP
  • SPF

What can be used to protect you from receiving email messages with a forged sender address?

EXPLANATION

Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain comes from a host authorized by that domain's administrators.[1] The list of authorized sending hosts for a domain is published in the Domain Name System (DNS) records for that domain in the form of a specially formatted TXT record. Email spam and phishing often use forged "from" addresses, so publishing and checking SPF records can be considered anti-spam techniques.
IETF publication RFC 7208 dated April 2014 defines Sender Policy Framework as "proposed standard".

SOURCE

https://en.wikipedia.org/wiki/Sender_Policy_Framework 
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