Microsoft 365 Now Requires SPF, DKIM, and DMARC for Email Security
Starting 2025, Microsoft 365 has made it mandatory for email accounts to implement SPF, DKIM, and DMARC protocols. This update is part of Microsoft’s ongoing effort to strengthen email security and reduce spoofing, phishing, and spam. SPF (Sender Policy Framework) verifies that emails are sent from an authorized mail server…