code: function MandrillErrorStatus(response) {
    MessagingServiceStatus.call(this, 'mandrill');
  
    // There was an error when attempting to send message
    this.state.message = response.name + ': ' + response.message;
  
    // See https://mandrillapp.com/api/docs/messages.html for errors
    if (response.name === 'PaymentRequired') this.state.code = this.StatusCodes.LIMIT_EXCEEDED;
    else if (response.name === 'ValidationError') this.state.code = this.StatusCodes.DATA_REJECTED;
    else if (response.name === 'GeneralError') this.state.code = this.StatusCodes.SERVICE_DOWN;
    else this.state.code = this.StatusCodes.DEFAULT;
  }
docs: /*
  Error Status
  
  @param response     JSON response object from Mandrill service