{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "global-relay-email.json",
  "title": "Global Relay Email",
  "description": "An email message archived in the Global Relay Archive, including headers, body content, recipients, and attachment references.",
  "type": "object",
  "required": [
    "from",
    "to",
    "subject",
    "sentDate"
  ],
  "properties": {
    "messageId": {
      "type": "string",
      "description": "Unique message identifier"
    },
    "from": {
      "$ref": "global-relay-email-address.json",
      "description": "Sender of the email"
    },
    "to": {
      "type": "array",
      "items": {
        "$ref": "global-relay-email-address.json"
      },
      "description": "List of To recipients"
    },
    "cc": {
      "type": "array",
      "items": {
        "$ref": "global-relay-email-address.json"
      },
      "description": "List of CC recipients"
    },
    "bcc": {
      "type": "array",
      "items": {
        "$ref": "global-relay-email-address.json"
      },
      "description": "List of BCC recipients"
    },
    "subject": {
      "type": "string",
      "description": "Email subject line"
    },
    "sentDate": {
      "type": "string",
      "format": "date-time",
      "description": "Date and time the email was sent"
    },
    "receivedDate": {
      "type": "string",
      "format": "date-time",
      "description": "Date and time the email was received"
    },
    "body": {
      "type": "object",
      "description": "Email body content",
      "properties": {
        "contentType": {
          "type": "string",
          "description": "MIME type of the body content",
          "enum": [
            "text/plain",
            "text/html"
          ]
        },
        "content": {
          "type": "string",
          "description": "Body content"
        }
      }
    },
    "headers": {
      "type": "array",
      "description": "Email headers",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "description": "Header name"
          },
          "value": {
            "type": "string",
            "description": "Header value"
          }
        }
      }
    },
    "attachmentIds": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "IDs of attachments uploaded via /files endpoint"
    }
  }
}