Question 1

What are email headers?

Accepted Answer

Email headers contain metadata about an email message including sender information, routing path, timestamps, authentication results, and technical details. Analyzing headers helps detect phishing, spoofing, and email security issues.

Question 2

How can email headers detect phishing?

Accepted Answer

Email header analysis can reveal mismatched sender addresses, suspicious routing paths, failed SPF/DKIM/DMARC authentication, unusual timestamps, and other indicators of phishing or spoofing attempts.

Question 3

What is SPF, DKIM, and DMARC?

Accepted Answer

SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication) are email authentication protocols that verify email authenticity and prevent spoofing. Our analyzer checks all three.

Question 4

How do I view email headers?

Accepted Answer

In Gmail: Open email → Click three dots → Show original. In Outlook: Right-click email → View source. In Apple Mail: View → Message → Raw source. Copy the full header text and paste it into our analyzer.

Question 5

Is my email header data stored?

Accepted Answer

No, all email header analysis happens 100% client-side in your browser. We never transmit, store, or log any email headers. Your privacy is completely protected.

Question 6

Is this email header analyzer free?

Accepted Answer

Yes, our email header analyzer is completely free to use with no registration required. All analysis happens locally in your browser.

📧 Email Header Analyzer

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