The DMARCbis spec is finalized as three separate RFCs. Here's what changed, what got removed, and what it means for your email authentication setup.
DMARC has been an Informational RFC since 2015. That changed this month.
RFC 9989 replaces RFC 7489 and elevates DMARC to Standards Track, reflecting over a decade of deployment experience and near-universal adoption across the email ecosystem. The spec was also split into three separate documents:
RFC 9989 — core DMARC protocol
RFC 9990 — aggregate reporting (RUA)
RFC 9991 — failure reporting (RUF)
If you have set up DMARC on your domain, you have probably seen the p= tag and wondered what each...
SPF, DKIM, and DMARC are three DNS-based authentication records that stop your emails from landing in spam and prevent criminals…
Cómo comprobar si tu email está protegido con SPF, DKIM y DMARC Cómo comprobar si tu email...
SPF (Sender Policy Framework) is a DNS record that tells receiving mail servers which servers are...
Press Release: ICANN Announces Next Major Internet Security Update
On May 5, 2026, DENIC published broken DNSSEC signatures for the .de TLD, making millions of domains unreachable. Here's what…
How I got my business emails through spam filters with SPF, DKIM, and DMARC
Press Release: ICANN Announces Next Major Internet Security Update
Microsoft says cu l8r to text message security
Fedora Verified: What Does the Community Think? - Fedora Magazine
Expanded OIDC support for Dependabot and code scanning - GitHub Changelog
‘What Matters Most’—Google Is Changing Your Gmail Inbox
