Email Header Analyzer MCP tool
MCP
findutils:email_header_analyzer Return a structured analysis of raw email headers: sender, recipient, subject, date, message id, the Received hop chain with per-hop delays, SPF/DKIM/DMARC results, every public IP seen, and suspicious-routing flags.
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Arguments
application/json-
headers
string required
The raw email headers (the "Show original" / "View source" block), including every Received: line.
Example arguments
Verified{
"headers": "Received: from a.example.com (a.example.com [203.0.113.9]) by mx.example.org; Tue, 18 Aug 2026 10:00:02 +0000\nAuthentication-Results: mx.example.org; spf=pass; dkim=pass; dmarc=pass\nFrom: [email protected]\nTo: [email protected]\nSubject: Hello\nDate: Tue, 18 Aug 2026 10:00:00 +0000\nMessage-ID: <[email protected]>"
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