Java Send Mail / File Attachment (JavaMail)

package com.java.myapp;

import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;


public class MyClass {

	public static void main(String[] args) {
		
		final String auth_host = "mail.thaicreate.com";
		final String auth_port = "25";
		final String auth_email = "[email protected]";
		final String auth_password = "password";
		
		Properties props = new Properties();
		props.put("mail.smtp.host", auth_host);
		props.put("mail.smtp.socketFactory.port", auth_port);
		props.put("mail.smtp.socketFactory.class",
		               "javax.net.ssl.SSLSocketFactory");
		props.put("mail.smtp.auth", "true");
		props.put("mail.smtp.port", auth_port);


          try {

        	  Session mailSession = Session.getInstance(props,
                      new javax.mail.Authenticator() {
                          protected PasswordAuthentication 
                                getPasswordAuthentication() {
                              return new PasswordAuthentication
                                (auth_email,auth_password);
                          }
                      });
        	  
        	  Message message = new MimeMessage(mailSession);
        	  
              message.setFrom(new InternetAddress(auth_email)); // From
              
              /*** Recipient ***/
              message.setRecipients(Message.RecipientType.TO,
                      InternetAddress.parse("[email protected]")); // To
              message.setSubject("Test sending mail from Java");
              
              // create the message part 
              MimeBodyPart messageBodyPart = new MimeBodyPart();
              
              String  Attach = "C:\\java\\data.txt";
              
              //fill message
              messageBodyPart.setText("Hello mr.win, Please do not reply this mail");

              Multipart multipart = new MimeMultipart();
              multipart.addBodyPart(messageBodyPart);

              // Part two is attachment
              messageBodyPart = new MimeBodyPart();
              DataSource source = new FileDataSource(Attach);
              messageBodyPart.setDataHandler(new DataHandler(source));
              messageBodyPart.setFileName("data.txt");
              multipart.addBodyPart(messageBodyPart);
              
              message.setContent(multipart);

              Transport.send(message);

              System.out.println("Mail Send Successfully.");

          } catch (MessagingException e) {
              throw new RuntimeException(e);
          }
        
	}
	
	
}