{
  "id": "http-header/mmhs-copy-precedence",
  "family": "http-header",
  "slug": "mmhs-copy-precedence",
  "title": "MMHS-Copy-Precedence",
  "summary": "Message header field \"MMHS-Copy-Precedence\" (protocol: mail). Defined in RFC6477.",
  "kind": "header",
  "aliases": [
    "MMHS-Copy-Precedence"
  ],
  "status": "standard",
  "verification": "verified",
  "tier": "A",
  "source_url": "https://www.iana.org/assignments/message-headers/message-headers.xml",
  "source_version": "IANA registry, Last-Modified: Wed, 13 May 2026 22:01:20 GMT",
  "retrieved_date": "2026-05-29",
  "ext_type": "iana-registry-row@1",
  "ext": {
    "value": "MMHS-Copy-Precedence",
    "reference_rfcs": [
      "RFC6477"
    ],
    "raw_columns": {
      "value": "MMHS-Copy-Precedence",
      "protocol": "mail",
      "status": "",
      "Reference": "[RFC6477]"
    }
  },
  "updated": "2026-05-29"
}