new_contents: from django.contrib.sites.models import Site
  
  from banzai.mail import MailPackage
  from banzai.api import BanzaiAPI
  from banzai.settings import BANZAI_API_FAST_ADD_METHOD_RECIPIENTS_MAX_COUNT
  
  
  def send_mail(subject, message, from_email, recipient_list, **kwargs):
      current_site = Site.objects.get_current()
  
      send_at = kwargs.pop('send_at', None)
      headers = kwargs.pop('headers', [])
      attach_images = kwargs.pop('attach_images', u'0')
      description = kwargs.pop('description', u'')
  
      package = MailPackage(from_email, current_site.name, subject, message,
                            send_at, headers, attach_images, description)
      package.add_recipients(recipient_list)
      package.save()
  
      banzai_api_obj = BanzaiAPI(package)
      if package.emails_all < BANZAI_API_FAST_ADD_METHOD_RECIPIENTS_MAX_COUNT:
          package = banzai_api_obj.fast_add()
          sended_emails = package.emails_correct
      else:
          package = banzai_api_obj.add()
          sended_emails = package.emails_all
  
      return sended_emails
  
subject: add compatible with django send_mail function