[
  {
    "id": "http-header/accept-language",
    "title": "Accept-Language",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/alternate-recipient",
    "title": "Alternate-Recipient",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/approved",
    "title": "Approved",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/arc-authentication-results",
    "title": "ARC-Authentication-Results",
    "status": "experimental",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/arc-message-signature",
    "title": "ARC-Message-Signature",
    "status": "experimental",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/arc-seal",
    "title": "ARC-Seal",
    "status": "experimental",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/archive",
    "title": "Archive",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/archived-at",
    "title": "Archived-At",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/authentication-results",
    "title": "Authentication-Results",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/auto-submitted",
    "title": "Auto-Submitted",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/autoforwarded",
    "title": "Autoforwarded",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/autosubmitted",
    "title": "Autosubmitted",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/bcc",
    "title": "Bcc",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/cancel-key",
    "title": "Cancel-Key",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/cancel-lock",
    "title": "Cancel-Lock",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/cc",
    "title": "Cc",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/comments",
    "title": "Comments",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-alternative",
    "title": "Content-Alternative",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-description",
    "title": "Content-Description",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-disposition",
    "title": "Content-Disposition",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-duration",
    "title": "Content-Duration",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-features",
    "title": "Content-features",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-id",
    "title": "Content-ID",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-identifier",
    "title": "Content-Identifier",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-language",
    "title": "Content-Language",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-location",
    "title": "Content-Location",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-md5",
    "title": "Content-MD5",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-return",
    "title": "Content-Return",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-transfer-encoding",
    "title": "Content-Transfer-Encoding",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-translation-type",
    "title": "Content-Translation-Type",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/content-type",
    "title": "Content-Type",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/control",
    "title": "Control",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/conversion",
    "title": "Conversion",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/conversion-with-loss",
    "title": "Conversion-With-Loss",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/date",
    "title": "Date",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/deferred-delivery",
    "title": "Deferred-Delivery",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/delivery-date",
    "title": "Delivery-Date",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/discarded-x400-ipms-extensions",
    "title": "Discarded-X400-IPMS-Extensions",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/discarded-x400-mts-extensions",
    "title": "Discarded-X400-MTS-Extensions",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/disclose-recipients",
    "title": "Disclose-Recipients",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/disposition-notification-options",
    "title": "Disposition-Notification-Options",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/disposition-notification-to",
    "title": "Disposition-Notification-To",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/distribution",
    "title": "Distribution",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/dkim-signature",
    "title": "DKIM-Signature",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/dl-expansion-history",
    "title": "DL-Expansion-History",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/downgraded-final-recipient",
    "title": "Downgraded-Final-Recipient",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/downgraded-in-reply-to",
    "title": "Downgraded-In-Reply-To",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/downgraded-message-id",
    "title": "Downgraded-Message-Id",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/downgraded-original-recipient",
    "title": "Downgraded-Original-Recipient",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/downgraded-references",
    "title": "Downgraded-References",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/encoding",
    "title": "Encoding",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/encrypted",
    "title": "Encrypted",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/expires",
    "title": "Expires",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/expiry-date",
    "title": "Expiry-Date",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/followup-to",
    "title": "Followup-To",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/from",
    "title": "From",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/generate-delivery-report",
    "title": "Generate-Delivery-Report",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/hp-outer",
    "title": "HP-Outer",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/importance",
    "title": "Importance",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/in-reply-to",
    "title": "In-Reply-To",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/incomplete-copy",
    "title": "Incomplete-Copy",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/injection-date",
    "title": "Injection-Date",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/injection-info",
    "title": "Injection-Info",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/keywords",
    "title": "Keywords",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/language",
    "title": "Language",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/latest-delivery-time",
    "title": "Latest-Delivery-Time",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/list-archive",
    "title": "List-Archive",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/list-help",
    "title": "List-Help",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/list-id",
    "title": "List-ID",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/list-owner",
    "title": "List-Owner",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/list-post",
    "title": "List-Post",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/list-subscribe",
    "title": "List-Subscribe",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/list-unsubscribe",
    "title": "List-Unsubscribe",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/list-unsubscribe-post",
    "title": "List-Unsubscribe-Post",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/message-context",
    "title": "Message-Context",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/message-id",
    "title": "Message-ID",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/message-type",
    "title": "Message-Type",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mime-version",
    "title": "MIME-Version",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-acp127-message-identifier",
    "title": "MMHS-Acp127-Message-Identifier",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-codress-message-indicator",
    "title": "MMHS-Codress-Message-Indicator",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-copy-precedence",
    "title": "MMHS-Copy-Precedence",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-exempted-address",
    "title": "MMHS-Exempted-Address",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-extended-authorisation-info",
    "title": "MMHS-Extended-Authorisation-Info",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-handling-instructions",
    "title": "MMHS-Handling-Instructions",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-message-instructions",
    "title": "MMHS-Message-Instructions",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-message-type",
    "title": "MMHS-Message-Type",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-originator-plad",
    "title": "MMHS-Originator-PLAD",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-originator-reference",
    "title": "MMHS-Originator-Reference",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-other-recipients-indicator-cc",
    "title": "MMHS-Other-Recipients-Indicator-CC",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-other-recipients-indicator-to",
    "title": "MMHS-Other-Recipients-Indicator-To",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-primary-precedence",
    "title": "MMHS-Primary-Precedence",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mmhs-subject-indicator-codes",
    "title": "MMHS-Subject-Indicator-Codes",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/mt-priority",
    "title": "MT-Priority",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/newsgroups",
    "title": "Newsgroups",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/obsoletes",
    "title": "Obsoletes",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/organization",
    "title": "Organization",
    "status": "de-facto",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/original-encoded-information-types",
    "title": "Original-Encoded-Information-Types",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/original-from",
    "title": "Original-From",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/original-message-id",
    "title": "Original-Message-ID",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/original-recipient",
    "title": "Original-Recipient",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/original-sender",
    "title": "Original-Sender",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/original-subject",
    "title": "Original-Subject",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/originator-return-address",
    "title": "Originator-Return-Address",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/path",
    "title": "Path",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/pics-label",
    "title": "PICS-Label",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/prevent-nondelivery-report",
    "title": "Prevent-NonDelivery-Report",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/priority",
    "title": "Priority",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/received",
    "title": "Received",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/received-spf",
    "title": "Received-SPF",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/references",
    "title": "References",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/reply-by",
    "title": "Reply-By",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/reply-to",
    "title": "Reply-To",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/require-recipient-valid-since",
    "title": "Require-Recipient-Valid-Since",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/resent-bcc",
    "title": "Resent-Bcc",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/resent-cc",
    "title": "Resent-Cc",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/resent-date",
    "title": "Resent-Date",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/resent-from",
    "title": "Resent-From",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/resent-message-id",
    "title": "Resent-Message-ID",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/resent-sender",
    "title": "Resent-Sender",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/resent-to",
    "title": "Resent-To",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/return-path",
    "title": "Return-Path",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/sender",
    "title": "Sender",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/sensitivity",
    "title": "Sensitivity",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/solicitation",
    "title": "Solicitation",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/subject",
    "title": "Subject",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/summary",
    "title": "Summary",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/supersedes",
    "title": "Supersedes",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/tls-report-domain",
    "title": "TLS-Report-Domain",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/tls-report-submitter",
    "title": "TLS-Report-Submitter",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/tls-required",
    "title": "TLS-Required",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/to",
    "title": "To",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/user-agent",
    "title": "User-Agent",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/vbr-info",
    "title": "VBR-Info",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/x400-content-identifier",
    "title": "X400-Content-Identifier",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/x400-content-return",
    "title": "X400-Content-Return",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/x400-content-type",
    "title": "X400-Content-Type",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/x400-mts-identifier",
    "title": "X400-MTS-Identifier",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/x400-originator",
    "title": "X400-Originator",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/x400-received",
    "title": "X400-Received",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/x400-recipients",
    "title": "X400-Recipients",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/x400-trace",
    "title": "X400-Trace",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  },
  {
    "id": "http-header/xref",
    "title": "Xref",
    "status": "standard",
    "verification": "verified",
    "kind": "header"
  }
]