DMARC or Domain-based Message Authentication Reporting and Conformance is a framework designed for 2 things:
- Allow the email sender to tell the receiver what to do in case of a forged email.
- Allow the email receiver to send back reports on the authentication checks, and the action it applied on the emails.
- SPF stands for the Sender Policy Framework. This authorizes which IP Addresses are allowed to send emails on your behalf.
- DKIM also is known as DomainKeys Identified Mail enables digital signatures on your outgoing emails. This helps to verify your message.
These 2 checks are performed by the receiving mail server to verify the emails sender’s authenticity
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