Email Header Analyzer
Trace spoofing & spam origins from email headers (client-side)
Paste raw email headers to analyze sender authenticity, detect spoofing, and identify spam indicators. The tool parses headers and flags issues like missing DKIM/SPF or domain mismatches. All processing is done locally in your browser — no data is sent to a server.
Headers — Invalid
Error: Empty input
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Analyzed locally — no data sent to server