DMARC (Domain-based Message Authentication Reporting and Conformance)
What is DMARC? Domain-based Message Authentication Reporting and Conformance (DMARC) is a free and open technical specification that is used to authenticate an email by aligning SPF and DKIM mechanisms. By having DMARC in place, domain owners large and small can fight business email compromise, phishing, and spoofing. With DMARC you can tell the world how to handle the unauthorized use of your … Read more