https://blog.kalfaoglu.net/tags/rfc/Recent content in RFC on kalfaoglu.netHugoenMon, 22 Jun 2026 00:00:00 +0000https://blog.kalfaoglu.net/posts/2026-06-22-dmarcbis-rfc-9989-proposed-standard-en/Mon, 22 Jun 2026 00:00:00 +0000https://blog.kalfaoglu.net/posts/2026-06-22-dmarcbis-rfc-9989-proposed-standard-en/<p>In May 2026, the IETF quietly did something that email administrators have been waiting on for years: they published <a href="https://datatracker.ietf.org/doc/rfc9989/">RFC 9989</a>, <a href="https://www.rfc-editor.org/rfc/rfc9990.txt">RFC 9990</a>, and <a href="https://www.rfc-editor.org/rfc/rfc9991.txt">RFC 9991</a> — collectively known as DMARCbis. These three documents replace RFC 7489, which has been the authoritative reference for DMARC since 2015.</p> <p>The headline change isn&rsquo;t technical; it&rsquo;s procedural. The original RFC 7489 was published as an <strong>Informational</strong> document, meaning it described what the industry was already doing, not what it was required to do. DMARCbis arrives as a <strong>Proposed Standard</strong> on the IETF Standards Track — the first formal step toward becoming an Internet Standard. In plain terms: DMARC just graduated from &ldquo;strong industry recommendation&rdquo; to &ldquo;official protocol.&rdquo;</p>