Posts tagged: microsoft-365
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.
Microsoft DMARC: Office 365 Setup Guide 2026
Microsoft enforces DMARC for Outlook senders since May 5, 2025. Set up DMARC for Office 365 and Microsoft 365 step-by-step with DNS examples. Configure now.