{
  "name": "email",
  "meta-category": "email",
  "description": "Email object describing an email with meta-information",
  "version": 1,
  "attributes": {
    "from": {
      "misp-attribute": "email-src",
      "misp-usage-frequency": 1,
      "categories": [
        "Payload delivery"
      ]
    },
    "from-display-name": {
      "misp-attribute": "email-src-display-name",
      "misp-usage-frequency": 1,
      "categories": [
        "Payload delivery"
      ]
    },
    "to": {
      "misp-attribute": "email-dst",
      "misp-usage-frequency": 1,
      "categories": [
        "Payload delivery"
      ],
      "multiple": true
    },
    "to-display-name": {
      "misp-attribute": "email-dst-display-name",
      "misp-usage-frequency": 1,
      "categories": [
        "Payload delivery"
      ],
      "multiple": true
    },
    "subject": {
      "misp-attribute": "email-subject",
      "misp-usage-frequency": 1,
      "categories": [
        "Payload delivery"
      ]
    },
    "attachment": {
      "misp-attribute": "email-attachment",
      "misp-usage-frequency": 0,
      "categories": [
        "Payload delivery"
      ],
      "multiple": true
    },
    "message-id": {
      "misp-attribute": "email-message-id",
      "misp-usage-frequency": 0,
      "categories": [
        "Payload delivery"
      ]
    },
    "reply-to": {
      "misp-attribute": "email-reply-to",
      "misp-usage-frequency": 1,
      "categories": [
        "Payload delivery"
      ]
    },
    "send-date": {
      "misp-attribute": "datetime",
      "misp-usage-frequency": 0,
      "categories": [
        "Other"
      ]
    },
    "url": {
      "misp-attribute": "url",
      "misp-usage-frequency": 0,
      "categories": [
        "Payload delivery"
      ],
      "multiple": true
    },
    "mime-boundary": {
      "misp-attribute": "email-mime-boundary",
      "misp-usage-frequency": 0,
      "categories": [
        "Payload delivery"
      ]
    },
    "thread-index": {
      "misp-attribute": "email-thread-index",
      "misp-usage-frequency": 0,
      "categories": [
        "Payload delivery"
      ]
    },
    "header": {
      "misp-attribute": "email-header",
      "misp-usage-frequency": 0,
      "categories": [
        "Payload delivery"
      ],
      "multiple": true
    },
    "x-mailer": {
      "misp-attribute": "email-xmailer",
      "misp-usage-frequency": 0,
      "categories": [
        "Payload delivery"
      ]
    }
  },
  "requiredOneOf": [
    "email-src",
    "email-src-display-name",
    "email-dst",
    "email-dst-display-name",
    "email-subject",
    "email-attachment",
    "email-message-id",
    "email-reply-to",
    "send-date",
    "url",
    "email-mime-boundary",
    "email-thread-index",
    "email-header",
    "x-mailer"
  ]
}