Skill UI

This comprehensive guide provides a detailed methodology for performing security testing on web applications that handle email sending (e.g., contact forms, password resets, newsletters). It focuses on identifying CRLF/SMTP header injection vulnerabilities, guiding users on how to check if attackers can manipulate email headers, inject custom content, or abuse forms for spam relay during a penetration test.

A comprehensive guide to tracking the rapidly evolving Go programming ecosystem. It curates official documentation (go.dev, pkg.go.dev), essential newsletters, active communities (r/golang, Slack), influential developers, and top blogs. Use this skill when you need to stay current with Go language updates, discover new libraries, or connect with the development community.