Microsoft Defender for Office 365 vs PowerDMARC Hosted DMARC: side-by-side comparison (2026)

Microsoft Defender for Office 365: Email and collaboration security for Microsoft 365 environments. Built by Microsoft.

PowerDMARC Hosted DMARC: Cloud-managed DMARC record hosting with DNS-free policy management. Built by PowerDMARC.

The table above shows where their features, integrations, deployment and company size fit differ.

Microsoft Defender for Office 365 is made by Microsoft. PowerDMARC Hosted DMARC is made by PowerDMARC founded in 2020-01-01T00:00:00.000Z. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Microsoft Defender for Office 365 and PowerDMARC Hosted DMARC are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ.