DMARC.AI

SPF best practices that hold up in 2026: lookup budgets, alignment, include hygiene, and the patterns that survive scaling.

Startups can deploy DMARC cleanly while complexity is low. Here’s when to deploy, why earlier is easier, and how to do it without diluting team focus.

SPF is the DNS list telling receivers which servers may send mail for your domain. How it works, why DMARC depends on it, and where it falls short.

Government domains are increasingly required by mandate to deploy DMARC at p=reject. Here’s what the mandates require and how to comply at scale.

GDPR doesn’t name DMARC, but its data-protection requirements increasingly map to email authentication. Here’s the intersection and how to satisfy it.

PCI DSS v4 increasingly references email authentication. Here’s what payment businesses need to know about DMARC and how to satisfy the requirement.

PCI DSS, GDPR, NIST, NIS2, and cyber-insurance frameworks all now reference DMARC. Here’s where the compliance pressure comes from and how to satisfy it.

Microsoft enforces the same DMARC bulk-sender rules as Google and Yahoo, plus a few unique ones. Here’s what Outlook requires and how to comply.

Google and Yahoo’s bulk sender rules have made DMARC a deliverability prerequisite. What the rules require and what businesses must do to comply.

DMARC at enforcement improves inbox placement at major providers. Here’s the mechanism, the typical lift, and what else moves the dial.