Advanced Email Security Analyzer - Free Online Tool | ToolCookie

🛡️ Advanced Email Security Analyzer

Complete privacy-first email security analysis with advanced threat detection, batch processing, and educational insights - all without sending your data anywhere.

🔒 100% Privacy-First • No Uploads • No Tracking • Advanced Analysis

📧 Single Email Analysis

How to get email headers:

  1. Gmail: Open suspicious email → Click 3 dots (⋮) → "Show original" → Copy ALL the text
  2. Outlook: Open email → File → Properties → Copy "Internet headers"
  3. Yahoo: Open email → More → "View raw message" → Copy text
  4. Apple Mail: Open email → View → Message → Raw Source → Copy text

⚠️ Important: You need the LONG technical text that looks like computer code - NOT the short, simple email summary. The correct text should:

  • ✅ Start with words like "Delivered-To:" or "Received:" or "Return-Path:"
  • ✅ Be very long (hundreds of lines) with lots of technical information
  • ✅ Contain IP addresses, timestamps, and server names
  • ✅ Look confusing and technical (that's what we need!)
  • ❌ Don't use the short summary that just shows From/To/Subject

💡 Tip: If the text looks like gibberish and is really long, you've got the right thing!

📦 Batch Email Analysis

Analyze multiple emails at once and compare their security profiles.

📊 Analysis History

Review your previous email security analyses and track patterns over time.

No analysis history yet. Start analyzing emails to see your history here.

⚙️ Custom Security Rules

Define your own security rules to customize the analysis for your specific needs.

Add New Rule

Active Rules

🎓 Email Security Learning Center

Learn how to identify email threats and improve your security awareness.

🎣

Phishing Detection

Learn to identify and avoid phishing attempts

🎭

Email Spoofing

Understand how attackers fake sender identities

🔍

Reading Headers

Master the art of email header analysis

🔐

Email Authentication

Learn about SPF, DKIM, and DMARC

Need Help?

New to email security analysis? Click here for a quick guide on how to use this tool.

Frequently Asked Questions

How secure is this email analysis tool? +

Completely secure. All email analysis happens entirely in your browser using client-side JavaScript. Your email headers and data never leave your device or get transmitted anywhere. This ensures complete privacy while providing professional-grade security analysis.

What do SPF, DKIM, and DMARC mean? +

These are email authentication technologies. SPF verifies the sender's authorization, DKIM ensures the email hasn't been tampered with, and DMARC enforces the domain's security policy. When these checks pass, it's a good sign the email is legitimate. When they fail, it indicates potential spoofing or phishing.

Can I use this tool on mobile devices? +

Yes! Our tool is fully responsive and works perfectly on smartphones and tablets. You can analyze email headers on any device with a modern web browser. The interface automatically adapts to provide the best experience on smaller screens.

What if the tool shows my email is dangerous? +

If the analysis indicates high risk, do not click any links or download attachments from that email. Delete it immediately and mark it as spam. If it claims to be from a legitimate organization, contact them directly using official phone numbers or websites to verify.

How accurate are the security assessments? +

Our analysis uses industry-standard email authentication protocols and pattern recognition techniques. While highly accurate for detecting technical security issues, always use your judgment and consider the context. No automated tool is 100% perfect, but our comprehensive analysis provides reliable security insights.