# Most Domains Still Don't Enforce DMARC, Despite Its 2012 Launch

DMARC, an email authentication standard released in 2012, is not enforced by 68.4% of domains. This means many organizations remain vulnerable to email spoofing and phishing attacks that exploit weak authentication. The statistic highlights a persistent gap between available security tools and their real-world adoption.

**Importance:** 3/5

## Sources

### Technology
- [Hacker News](https://ciphercue.com/blog/dmarc-enforcement-gap-rua-fragmentation-2026) — Tue, 28 Jul 2026 10:20:50 +0000