This article discusses a security vulnerability in the Netty library related to SMTP command injection, allowing attackers to manipulate email sending. The flaw bypasses established email security protocols like SPF, DKIM, and DMARC. The author highlights the role of AI in discovering the vulnerability and generating a patch.

This article explains how to enhance email security for Amazon SES by using VPC endpoints. It highlights common security challenges and outlines the steps to set up a secure connection that keeps email traffic within a private network. The integration aims to protect sensitive communications from unauthorized access and malicious attacks.