Enhancing Email Security: Opportunistic TLS and Encryption Solutions In Part 1 of this series, we explored how SMTP DANE and DNSSEC collaborate to secure email communications in Exchange Online, ensuring authenticity and encryption between servers. In this follow-up, we focus on two critical components of email security: Opportunistic TLS and email encryption. Specifically, we’ll examine …
Introduction to SMTP DANE and DNSSEC Securing email communication is critical in the modern digital landscape. SMTP DANE (DNS-based Authentication of Named Entities) and DNSSEC (Domain Name System Security Extensions) are two technologies that strengthen email security by protecting against DNS-based attacks and ensuring encrypted connections between mail servers. What is DNSSEC? DNSSEC enhances the …
What is DMARC DMARC, which stands for Domain-based Message Authentication, Reporting, and Conformance, is a crucial email authentication and anti-phishing technology designed to enhance the security of email communication. It helps organizations combat email fraud, phishing attacks, and unauthorized use of their domain names by allowing domain owners to specify policies for how their email …
