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SMTP Penetration Testing

This skill should be used when the user asks to "perform SMTP penetration testing", "enumerate email users", "test for open mail relays", "grab SMTP banners", "brute force email credentials", or "assess mail server security". It provides co

  • Skills
  • Security
  • 2

What it does and how to use it

A skill that teaches Claude Code to do security tasks well. It is packaged knowledge the model uses whenever it is relevant.

  1. Install the skill (command above).
  2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
  3. No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/smtp-penetration-testing && curl -fsSL https://doutorai.pt/data/lib/skills__smtp-penetration-testing.md -o .claude/skills/smtp-penetration-testing/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
name: SMTP Penetration Testing
description: This skill should be used when the user asks to "perform SMTP penetration testing", "enumerate email users", "test for open mail relays", "grab SMTP banners", "brute force email credentials", or "assess mail server security". It provides comprehensive techniques for testing SMTP server security.
metadata:
  author: zebbern
  version: "1.1"
---

# SMTP Penetration Testing

## Purpose

Conduct comprehensive security assessments of SMTP (Simple Mail Transfer Protocol) servers to identify vulnerabilities including open relays, user enumeration, weak 

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