Email Security

Defend email systems against injection attacks, content manipulation, phishing, and exploitation of AI agents that process email.

When to use this skill

• Building an AI agent or automation that reads and acts on inbound email
• Processing user-submitted email content (contact forms, forwarded messages)
• Implementing phishing or spam detection for incoming mail
• Sanitizing HTML email content before rendering or processing
• Protecting against business email compromise (BEC) attacks
• Validating URLs and links in email bodies
• Hardening an email pipeline against prompt injection
• Detecting spoofed or lookalike domains in sender addresses

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