Java send email with attachment via exchange server

      public void sendMailWithAttachment(String from,List<String> toList, String subject ,String body,String filePath) throws MessagingException{
         Properties props = new Properties();
props.put("mail.smtp.host", "exchange.company.com");//
        props.put("mail.smtp.user", "sender user name");
        props.put("mail.smtp.password", "sender password"); //mail.smtp.ssl.enable
        props.put("mail.smtp.ssl.enable", "false");
Session session = Session.getDefaultInstance(props, null);
session.setDebug(true);
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(from));
        InternetAddress ia=null;
        List<InternetAddress> addresees=new ArrayList<InternetAddress>();
        for(String to :toList ){
            ia=new InternetAddress(to);
            addresees.add(ia);
        }
        InternetAddress[] array = new InternetAddress[addresees.size()];
        array=addresees.toArray(array);
//msg.setRecipients(Message.RecipientType.TO, new InternetAddress[]{new InternetAddress("melsonbati@daralshifa.com")});
msg.setRecipients(Message.RecipientType.TO,array);
        msg.setSubject(subject);
msg.setText(body);
        MimeBodyPart attachmentBodyPart = new MimeBodyPart();
        File file=new File(filePath);
        DataSource source = new FileDataSource(file);
        attachmentBodyPart.setDataHandler(new DataHandler(source));
        attachmentBodyPart.setFileName(file.getName());
   
        Multipart multipart = new MimeMultipart();
   
       BodyPart messageBodyPart = new MimeBodyPart();
     
        messageBodyPart.setText(body);
        messageBodyPart.setContent(body, "text/html");
     
        multipart.addBodyPart(messageBodyPart);
        multipart.addBodyPart(attachmentBodyPart);
       
        msg.setContent(multipart);
Transport.send(msg);
    }