PowerDMARC Releases US DMARC & MTA-STS Adoption Report 2026

Comprehensive analysis examines email security standards across key US sectors

Jan. 29, 2026 at 1:07pm

PowerDMARC has published its United States DMARC & MTA-STS Adoption Report 2026, providing a data-driven analysis of email authentication and transport-layer security adoption levels across hundreds of US domains in major industries. The report covers SPF, DMARC, MTA-STS, and DNSSEC implementation, offering insights into how organizations are addressing ongoing concerns around spoofing, impersonation, and business email compromise.

Why it matters

Email security is a critical concern for businesses and government agencies, with threats like phishing, spoofing, and BEC attacks posing significant risks. This report provides valuable benchmarking data to help US organizations assess their email security posture relative to industry peers and identify areas for improvement.

The details

The report analyzes hundreds of US domains across key sectors including government, banking, energy, healthcare, education, media, telecom, and transport. Key findings include: 95.7% of domains have SPF records, 95.8% have DMARC records, 49% enforce DMARC at the strictest 'p=reject' policy, 1.7% have implemented MTA-STS, and 18% have enabled DNSSEC. The data highlights variations in adoption levels across different industries.

  • The United States DMARC & MTA-STS Adoption Report 2026 was published on January 29, 2026.

The players

PowerDMARC

A leading email authentication and domain protection platform that offers comprehensive solutions including DMARC, SPF, DKIM, BIMI, MTA-STS, TLS-RPT, and hosted reporting with AI-powered threat intelligence.

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The takeaway

This report highlights the importance of email security best practices like DMARC, SPF, and MTA-STS for US organizations across industries. The data can help benchmark current adoption levels and identify opportunities to strengthen email authentication and protection against emerging threats.