Introduction to SMTP DANE and DNSSEC What is DNSSEC?DNSSEC is a security extension of DNS, designed to protect against attacks like DNS spoofing or cache poisoning. It ensures that DNS responses are authentic by using digital signatures, allowing DNS resolvers to verify that the information has not been altered during transmission. What is SMTP DANE?DANE …
Series: Email encryption
Introduction In Part 1 of this series, I wrote about how SMTP DANE and DNSSEC work together to secure email communications in Exchange Online, ensuring authenticity and encryption between servers. In this article, I will dive deeper into two essential components of email security: Opportunistic TLS and email encryption. I will take a closer look …
