Yahoo/Gmail E-mail Client Using Java

package Mailer_Yahoo;

/**
 *
 * @author Manjeet Kumar
 */

 
import java.util.Properties;
import javax.mail.Address;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
 
public class SendMailSSL {
    
 public static void main(String[] args) {
  Properties props = new Properties();
  props.put("mail.smtp.host", "smtp.mail.yahoo.com");//smtp.gmail.com in case you want make gmail client 
  props.put("mail.smtp.socketFactory.port", "465");
  props.put("mail.smtp.socketFactory.class",
    "javax.net.ssl.SSLSocketFactory");
  props.put("mail.smtp.auth", "true");
  props.put("mail.smtp.port", "465");
 
  Session session = Session.getDefaultInstance(props,
   new javax.mail.Authenticator() {
    protected PasswordAuthentication getPasswordAuthentication() {
     return new PasswordAuthentication("username@yahoo.com","password");
    }
   });
 
  try {

   Message message = new MimeMessage(session);
                        Address addr[]=message.getFrom();
                        String email = addr == null ? null : ((InternetAddress) addr[0]).getAddress();
                        System.out.println("Email="+email);
   message.setFrom(new InternetAddress("me@yahoo.com"));
   message.setRecipients(Message.RecipientType.TO,
     InternetAddress.parse("me_at_gmail@gmail.com"));
                        //message.setRecipients(Message.RecipientType.CC,InternetAddress.parse("me@gdiindia.com"));
                        //message.setRecipients(Message.RecipientType.BCC, InternetAddress.parse("xyz@gdiindia.com"));
   message.setSubject("Testing Subject");
   message.setText("Dear Recipient," +
     "\n\n This is to inform You that SSL has been Implemented");
 
   Transport.send(message);
 
   System.out.println("Mail Delivered Sucessfully");
 
  } catch (MessagingException e) {
   throw new RuntimeException(e);
  }
 }
}