Email Header Analyzer
Parse raw RFC 822 email headers to trace message routing hops, spam scores, and SPF/DKIM/DMARC verdicts.
How to Use Email Header Analyzer
Paste full raw email headers from Outlook, Gmail, or Apple Mail.
The analyzer extracts transit hops, delivery delays, and authentication verdicts.
Inspect source IP and spam test flags.
Email Header Analyzer runs 100% client-side in your web browser. Your data, passwords, keys, and files are processed using the Web Crypto API and never transmitted to any server. Zero telemetry, zero storage, zero cloud processing.
Frequently Asked Questions
How can I find the true sender IP in email headers?
The bottom-most 'Received: from' header typically records the originating mail client's IP address.
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