what is spf,dkim and dmarc

Question

Accepted Answer

SPF, DKIM, and DMARC are email authentication protocols used to prevent email spoofing and phishing attacks.

SPF (Sender Policy Framework) helps to verify that the sender's email address is legitimate by checking the IP address of the sending server against a list of authorized sending servers.
DKIM (DomainKeys Identified Mail) adds a digital signature to the email message, allowing the recipient to verify that the message was not altered in transit and actually came from the claimed sender.
DMARC (Domain-based Message Authentication, Reporting, and Conformance) policy allows senders to specify how email servers should handle messages that fail SPF and DKIM checks, helping to prevent email spoofing and phishing attacks.

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