If you send or receive email, you may have heard of DKIM, or DomainKeys Identified Mail. But what is it and why is it important for email security?
DMARC, or Domain-based Message Authentication, Reporting and Conformance, is an email authentication protocol that helps email domain owners prevent unauthorized use of their domains, such as email spoofing. Email spoofing is a common technique used by cybercriminals to trick recipients into opening malicious emails that appear to come from legitimate senders.
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