curl --request GET \
  --url https://app.botmailroom.com/api/v1/email/outbound/{outbound_email_id} \
  --header 'Authorization: Bearer <token>'

{
  "plain_text": "<string>",
  "html": "<string>",
  "alternative_content": false,
  "attachments": [
    {
      "filename": "<string>",
      "content_type": "<string>",
      "content_encoding": "<string>",
      "content_id": "<string>",
      "id": "<string>"
    }
  ],
  "to_addresses": [
    {
      "address": "<string>",
      "name": "<string>"
    }
  ],
  "from_address": {
    "address": "<string>",
    "name": "<string>"
  },
  "cc_addresses": [
    {
      "address": "<string>",
      "name": "<string>"
    }
  ],
  "bcc_addresses": [
    {
      "address": "<string>",
      "name": "<string>"
    }
  ],
  "reply_to_addresses": [
    {
      "address": "<string>",
      "name": "<string>"
    }
  ],
  "subject": "<string>",
  "date": "<string>",
  "in_reply_to_id": "<string>",
  "references": [
    "<string>"
  ],
  "message_id": "<string>",
  "id": "<string>"
}