code: function Email (options) {
    this.action = options.action || SEND_EMAIL_ACTION;
    this.key = options.key;
    this.secret = options.secret;
    this.amazon = options.amazon;
    this.from = options.from;
    this.subject = options.subject;
    this.message = options.message;
    this.altText = options.altText;
    this.rawMessage = options.rawMessage;
    this.configurationSet = options.configurationSet;
    this.messageTags = options.messageTags;
    this.extractRecipient(options, 'to');
    this.extractRecipient(options, 'cc');
    this.extractRecipient(options, 'bcc');
    this.extractRecipient(options, 'replyTo');
  }
docs: Email constructor.
  
  @param {Object} options