← Blog

Topic

Deliverability & authentication

SPF, DKIM, DMARC, and reaching the inbox.

Illustration for what changed in DMARC RFC 9989, the 2026 standard that replaces RFC 7489, removes the pct tag and drops the Public Suffix List
Deliverability & authentication

DMARC RFC 9989: What Changed From RFC 7489 (2026)

What changed in DMARC RFC 9989 (2026): it replaces RFC 7489, drops the pct tag, and swaps the Public Suffix List for a bounded DNS tree walk.

Nafiul HasanNafiul Hasan
Ready when you are

Email, finally worthy of your attention.

Start Free Trial

Start your 7-day free trial. Cancel anytime.

  • 7-day free trial
  • Cancel anytime
  • Every provider