{
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    "title": "Email MX & Deliverability Verifier",
    "description": "Validate email lists with syntax, MX, disposable-domain, role-account, and deliverability risk checks before outreach.",
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  "components": {
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            "type": "array",
            "description": "Paste email addresses to validate. Duplicates are normalized and checked once per run.",
            "items": {
              "type": "string"
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            "type": "string",
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          "checkMx": {
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            "type": "boolean",
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          },
          "checkARecordFallback": {
            "title": "Check A-record fallback",
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            "description": "If no MX record exists, check whether the domain has an A record as a weak fallback signal.",
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          },
          "includeDisposableCheck": {
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            "description": "Flag common temporary or disposable mailbox providers.",
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          },
          "dnsProvider": {
            "title": "DNS provider",
            "enum": [
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            "type": "string",
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