code: def send_delivery_note_email(self, delivery_note_id, email_dict):
          
          return self._create_post_request(
              resource=DELIVERY_NOTES,
              billomat_id=delivery_note_id,
              send_data=email_dict,
              command=EMAIL,
          )
docs: Sends an delivery note by email
          If you want to send your email to more than one persons do:
          'recipients': {'to': ['bykof@me.com', 'mbykovski@seibert-media.net']}}
  
          :param delivery_note_id: the delivery note id
          :param email_dict: the email dict
          :return dict