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​​Help Net Security: The Atate of DMARC Adoption: What 10M Domains Reveal​

John Wilson, Senior Fellow of Threat Research at Fortra, dives into the state of DMARC adoption across the top 10 million domains. He explains how SPF, DKIM, and DMARC work together to prevent email spoofing, the dangers of misconfigurations like “+all,” and why few organizations enforce strong DMARC policies even years after the standard’s introduction. Wilson shares key research findings, real...