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PRSM

analyze_headers

Active

Tool of io.inboxguard/email-deliverability

declared in 1.6.0

Re-verify SPF, DKIM, DMARC, and ARC from a raw RFC 5322 email (full message or just the headers block). Returns InboxGuard's independent verdict (`ours`), the sender's own Authentication-Results (`theirs`), whether they `agree`, and parsed envelope/headers — useful for spotting forged or mismatched auth results. No account needed.

Parameters schema

{
  "type": "object",
  "required": [
    "message"
  ],
  "properties": {
    "helo": {
      "type": "string",
      "description": "Optional: the SMTP HELO/EHLO domain."
    },
    "message": {
      "type": "string",
      "minLength": 50,
      "description": "The raw email — full RFC 5322 message, or at least the headers block (Received, Authentication-Results, DKIM-Signature, From, …)."
    },
    "mailFrom": {
      "type": "string",
      "description": "Optional: the envelope MAIL FROM (return-path) address."
    },
    "senderIp": {
      "type": "string",
      "description": "Optional: connecting IP to evaluate SPF against (overrides the IP parsed from Received headers)."
    }
  }
}

What this tool wraps· 0 endpoints

min confidence0.700.50

No endpoints wrapped at confidence ≥ 0.50.

Parent server

io.inboxguard/email-deliverability

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analyze_headers — io.inboxguard/email-deliverability — PRSM MCP