Email Header Analyzer

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// Paste raw email headers

Sender information

Delivery summary

Email authentication

Delivery path

All headers click to expand

// how to get your email headers

Gmail: Open the email → Click the three-dot menu (⋮) → "Show original" → Copy all text from the header section.

Outlook: Open email → File → Properties → the "Internet headers" box contains the headers.

Apple Mail: Open email → View → Message → All Headers.

Headers show the full delivery path from sender to recipient, authentication results, spam scores, and timing information. Useful for diagnosing deliverability issues and investigating phishing.