{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "SendResult",
  "type": "object",
  "description": "The result of sending a message to a single recipient.",
  "properties": {
    "email": {
      "type": "string",
      "description": "The recipient email address."
    },
    "status": {
      "type": "string",
      "description": "The sending status for this recipient."
    },
    "reject_reason": {
      "type": "string",
      "description": "The reason the message was rejected, if applicable."
    },
    "queued_reason": {
      "type": "string",
      "description": "The reason the message was queued instead of sent immediately."
    },
    "_id": {
      "type": "string",
      "description": "The unique message ID for this recipient's message."
    }
  }
}