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DMARC Is Now a Proper Internet Standard: What Changed in RFC 9989/9990/9991

BACKGROUND
1 SIGNALFIRST DETECTED 22 May 2026
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How the story developed
22 May
Other feeds and industry voices
1 Oct
SPF, DKIM and DMARC Explained Without the Migraine

<p>Email was built on trust. Specifically, on the assumption that nobody would lie about who they are.</p> <p>That assumption lasted about ten minutes. The protocol that moves

REPORT · WHO · Dev.toOPEN STORY
22 Sept
From p=none to Enforcement: A Working Sequence for DMARC Rollout

<h1> From p=none to Enforcement: A Working Sequence for DMARC Rollout </h1> <p>DMARC adoption is easy to start and hard to finish. Publishing a policy record takes minutes. Moving

REPORT · WHAT · Dev.toOPEN STORY
1 Jul
The State of Email in 2026: what 50,000 domains reveal about MX, SPF & DMARC

<p><em>By the team at <a href="https://mailtester.ninja" rel="noopener noreferrer">MailTester Ninja</a> — a real-time email verification API that stores nothing.</em></p> <p>We

REPORT · HOW · Dev.toOPEN STORY
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