code: @Override
      public String sendMMS(String CorpNum, String sender, String receiver,
                            String receiverName, String subject, String content, File file,
                            Date reserveDT, String UserID) throws PopbillException {
  
          Message message = new Message();
  
          message.setSender(sender);
          message.setReceiver(receiver);
          message.setReceiverName(receiverName);
          message.setContent(content);
          message.setSubject(subject);
  
          return sendMMS(CorpNum, new Message[]{message}, file, reserveDT, UserID);
      }
docs: /*
  (non-Javadoc)
  @see com.popbill.api.MessageService#sendMMS(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.io.File, java.util.Date, java.lang.String)