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Smtp penetration testing

Skill newmindsgroup/ai-agent-skills-library/dist/skills/smtp-penetration-testing

Conduct comprehensive security assessments of SMTP (Simple Mail Transfer Protocol) servers to identify vulnerabilities including open relays, user enumeration, weak authentication, and misconfiguration.From its SKILL.md

Install
npx -y skills add newmindsgroup/ai-agent-skills-library --skill smtp-penetration-testing

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

One thing to look at

  • 1 stars1 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.

What its file declares

Copied from the file, not written here

The file declares its own license as MIT. That is the author’s claim about this one file, and it is not the same thing as the license GitHub reports for the repository, which is listed with the other numbers below.

SKILL.md

2.2 KB, 367 tokens by cl100k_base, as published. Nobody here has run it

SMTP Penetration Testing

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

When to Use

  • This skill is applicable to execute the workflow or actions described in the overview.

Core Workflow

  1. Confirm the request matches this skill's trigger, scope, and risk profile.
  2. Use the topic map to identify the relevant pattern, checklist, or example before writing detailed guidance or code.
  3. Load references/full-guidance.md when implementation details, examples, anti-patterns, validation checks, or edge cases are needed.
  4. Apply only the relevant guidance instead of loading or repeating the entire reference by default.
  5. Verify the result against any validation checks, limitations, security notes, or platform constraints in the reference.

Topic Map

  • Purpose
  • Prerequisites
  • Required Tools
  • Required Knowledge
  • Required Access
  • Outputs and Deliverables
  • Core Workflow
  • Phase 1: SMTP Architecture Understanding
  • Phase 2: SMTP Service Discovery
  • Phase 3: Banner Grabbing
  • Phase 4: SMTP Command Enumeration
  • Phase 5: User Enumeration
  • Phase 6: Open Relay Testing
  • Phase 7: Brute Force Authentication
  • Phase 8: SMTP Command Injection
  • Phase 9: TLS/SSL Security Testing
  • Phase 10: SPF, DKIM, DMARC Analysis
  • Quick Reference

Reference Map

  • references/full-guidance.md preserves the complete original guidance, including examples and detailed edge cases.

Progressive Loading

Keep this SKILL.md as the compact routing and workflow entrypoint. Load the reference file only when the user task requires the deeper implementation material.

What ships with it: 1 file

12.0 KB alongside SKILL.md

references/

Keep looking

Skills are one crate of 326,852. Ordering is by how many stacks a row turns up in, so the top of any crate is what has actually been picked rather than what has the most stars.