SMTP Penetration Testing

Purpose

Conduct comprehensive security assessments of SMTP (Simple Mail Transfer Protocol) servers to identify vulnerabilities including open relays, user enumeration, weak authentication, and misconfiguration. This skill covers banner grabbing, user enumeration techniques, relay testing, brute force attacks, and security hardening recommendations.

Prerequisites

🧠 Knowledge Modules (Fractal Skills)

1. Required Tools

2. Required Knowledge

3. Required Access

4. Phase 1: SMTP Architecture Understanding

5. Phase 2: SMTP Service Discovery

6. Phase 3: Banner Grabbing

7. Phase 4: SMTP Command Enumeration

8. Phase 5: User Enumeration

9. Phase 6: Open Relay Testing