Domain-based Message Authentication, Reporting, and Conformance, or DMARC, is an anti-spoofing technology. As of 2020, more than 2.7 million domains have published a DMARC record, up 43% during the last year. Two-thirds of those domains do not specify any policy for unauthenticated email, instead monitoring the situation. Email playing a role in more than half of malware attacks and phishing the most common vector in breaches, according to Verizon.”]