code: def send_messages(self, email_messages):
          
  
          queue = getattr(settings, 'CUCUMBER_ROUTE_QUEUE', '')
          num_sent = 0
          for message in email_messages:
              # Hand this off to a celery task.
              SendEmailTask.apply_async(args=[
                      message.from_email,
                      message.recipients(),
                      message.message().as_string().decode('utf8'),], 
                  queue=queue,
              )
              num_sent += 1
          return num_sent
docs: Sends one or more EmailMessage objects and returns the number of
          email messages sent.
  
          :param EmailMessage email_messages: A list of Django's EmailMessage
              object instances.
          :rtype: int
          :returns: The number of EmailMessage objects that were successfully
              queued up. Note that these are not in a state where we can
              guarantee delivery just yet.