String mailto = req.getParameter("sendto");
        String cc = req.getParameter("cc");
        String bcc = req.getParameter("bcc");
        String subject = req.getParameter("subject");
        String content = req.getParameter("content");
        Properties props = System.getProperties();
        props.put("mail.smtp.auth", "true");
        props.put("mail.smtp.host", "smtp.vip.sina.com");
        if(mailto == null)
           return new MsgInfo(false,"没有输入收件人地址！");
        SmtpAuthenticator sa=new SmtpAuthenticator();
        Session sess = Session.getInstance(props,sa);
        //sess.setDebug(true);
        Message msg = new MimeMessage(sess);
        msg.setFrom(new InternetAddress(fromMail));
       // String tos[] = UtilBean.divideString(mailto,"';");
       // for(int i=0;i<tos.length ;i++)
        //System.out.println(mailto);
        msg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(mailto, false));
        if(cc!=null)
          msg.setRecipients(Message.RecipientType.CC,InternetAddress.parse(cc, false));
        if(bcc!=null)
          msg.setRecipients(Message.RecipientType.BCC,InternetAddress.parse(bcc, false));
        msg.setSubject(subject);
        msg.setSentDate(new Date());
      //  msg.setText(content);
       // msg.setContent();
       // create the Multipart and its parts to it
        Multipart mp = new MimeMultipart();
        MimeBodyPart mbp1 = new MimeBodyPart();
        mbp1.setText(content);
        mp.addBodyPart(mbp1);
        for (int i=0;i<myUpload.getFiles().getCount();i++)
         {
             String fileName = myUpload.getFiles().getFile.getFileName();
             if(fileName.length()==0)
                continue;
           // System.out.println(fileName+"AAAAAAA");
            byte[] fileData = myUpload.getFiles().getFile.getData();
            MimeBodyPart mbp = new MimeBodyPart();
            mbp.setDataHandler(new javax.activation.DataHandler(new MailDataSource(fileData,"application/x-msdownload")));  // InternetHeaders(),fileData);
            mbp.setFileName(new String(fileName.getBytes("GBK"),"ISO-8859-1"));
            mp.addBodyPart(mbp);
         }
        // add the Multipart to the message
  msg.setContent(mp);
        Transport.send(msg);