SPF

Pierluigi Paganini July 03, 2026
Government and Healthcare Are the Weakest Links in Global Email Security

Government and healthcare sectors have weak email security. Many domains lack SPF, DMARC, DKIM, and MTA-STS, leaving them open to phishing attacks. Comparitech analyzed live DNS records for 5,849 domains across 13 sectors and scored each one out of 8 points based on four standard email authentication protocols: SPF, DMARC, DKIM, and MTA-STS. The results […]