Offensive SPF: How to Automate Anti-Phishing Reconnaissance Using Sender Policy Framework

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 in your area. Use in the wild at your own risk. Discuss with your peeps before implementing. BHIS @Krelkci are not liable for your actions. Background: In […]

Read the entire post here