{
  "$schema": "/api/schemas/documents.schema.json",
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  "lastModified": "2026-10-12T19:03:23.630Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC1847",
  "document": {
    "abstract": "This document defines a framework within which security services may be applied to MIME body parts. [STANDARDS-TRACK] This memo defines a new Simple Mail Transfer Protocol (SMTP) [1] reply code, 521, which one may use to indicate that an Internet host does not accept incoming mail. This memo defines an Experimental Protocol for the Internet community. This memo defines an extension to the SMTP service whereby an interrupted SMTP transaction can be restarted at a later time without having to repeat all of the commands and message content sent prior to the interruption. This memo defines an Experimental Protocol for the Internet community.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "authors": [
      {
        "name": "James Galvin"
      },
      {
        "name": "Sandy Murphy"
      },
      {
        "name": "Steve Crocker"
      },
      {
        "name": "Ned Freed"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "docId": "RFC1847",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "docLabel": "IETF RFC 1847",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "docNumber": "1847",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "docTitle": "Security Multiparts for MIME: Multipart/Signed and Multipart/Encrypted",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "docType": "Standard",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "doi": "10.17487/RFC1847",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "href": "https://doi.org/10.17487/RFC1847",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "keywords": [
      "MIME-Encyp",
      "Mail",
      "Multipurpose",
      "Extensions"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "pages": "11",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "publicationDate": "1995-10-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "references": {
      "bibliographic": [
        "RFC822",
        "RFC1521"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=2 proseBlocks=4 skippedAnchorBlocks=3",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
        "updated": "2026-10-12T19:03:23.630Z",
        "version": "extractDocs.js@commit:bada2c0eb491"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc1847/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
      "updated": "2026-10-12T19:03:23.630Z",
      "version": "extractDocs.js@commit:bada2c0eb491"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
        "updated": "2026-10-12T19:03:23.630Z",
        "version": "extractDocs.js@commit:bada2c0eb491"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
        "updated": "2026-10-12T19:03:23.630Z",
        "version": "extractDocs.js@commit:bada2c0eb491"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
        "updated": "2026-10-12T19:03:23.630Z",
        "version": "extractDocs.js@commit:bada2c0eb491"
      },
      "statusNote": "Proposed Standard",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
        "updated": "2026-10-12T19:03:23.630Z",
        "version": "extractDocs.js@commit:bada2c0eb491"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1847/",
        "updated": "2026-10-12T19:03:23.630Z",
        "version": "extractDocs.js@commit:bada2c0eb491"
      }
    }
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}