The email security landscape is increasingly shaped by robust protocols for authentication, data protection, and secure communication. Among these, MTA-STS is emerging as a critical standard, strengthening the enforcement of encrypted channels for email delivery. 

Kent Ickler // TL;DR: This post describes the process of building an active system to automatically recon SPF violations. Disclaimer: There are parts of this build that might not be legal […]

The post Offensive SPF: How to Automate Anti-Phishing Reconnaissance Using Sender Policy Framework appeared first on Black Hills Information Security, Inc..

Kent Ickler and Derrick Rauch* // Sun Protection Factor Err… wait a second. Sender Policy Framework Ladies and Gentlemen of the class of 1997, Wear Sunscreen…I will dispense my advice, […]

The post How to Configure SPFv1: Explained for the Masses appeared first on Black Hills Information Security, Inc..