Posts tagged: research
Email Provider Market Share 2026: Who Sends the Mail
Microsoft 365 = 19.6%, Google Workspace = 13.6% of 3.08M SPF-enabled domains (DMARCguard scan, Mar 2026). The 2026 email provider market share, sourced.
DMARC Adoption Rate 2026: The 12.8% Enforcement Gap
30.4% of 5.5 million domains have DMARC; only 12.8% enforce p=quarantine or p=reject. The 2026 enforcement gap, with sources. Run a free check.