The mandates driving DMARC adoption
Card networks, mailbox providers, insurers, and EU regulators all now weigh email authentication. These guides explain exactly what each mandate says — no overclaiming — with deadlines, penalties, and a checklist to get compliant.
PCI DSS v4.0.1
PCI DSS v4.0.1 Requirement 5.4.1 has mandated anti-phishing controls since March 2025. What it says, the fine schedule, and how DMARC helps you comply.
Google, Yahoo & Microsoft sender rules
Gmail, Yahoo and Outlook now reject bulk mail that fails authentication. The 5,000/day threshold, DMARC alignment, and the 0.3% spam-rate cap.
Cyber insurance
Cyber-insurance applications increasingly ask about DMARC, SPF and DKIM. Which carriers ask, why email compromise drives claims, and how to prepare.
NIS2 Directive
NIS2 requires essential and important entities to secure communications, with fines to €10M or 2% of turnover. What Article 21 says and where DMARC fits.
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