java mail

Hi,
Thank you very much for your replies. I am using this code to send mail through java, but I have not received any mails. I have got no exceptions also.
TY

import java.util.Properties;

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;
import javax.mail.internet.MimeMessage.RecipientType;

public class MailWithPasswordAuthentication {
	public static void main(String[] args) throws MessagingException {
		new MailWithPasswordAuthentication().run();
	}

	private void run() throws MessagingException {
		Message message = new MimeMessage(getSession());

		message.addRecipient(RecipientType.TO, new InternetAddress("mkarthik415@gmail.com"));
		message.addFrom(new InternetAddress[] { new InternetAddress("mkarthik415@gmail.com") });

		message.setSubject("the subject");
		message.setContent("the body", "text/plain");
		System.out.println("message sent");

		Transport.send(message);
	}

	private Session getSession() {
		Authenticator authenticator = new Authenticator();

		Properties properties = new Properties();
		properties.setProperty("mail.smtp.submitter", authenticator.getPasswordAuthentication().getUserName());
		properties.setProperty("mail.smtp.auth", "true");

		properties.setProperty("mail.smtp.host", "smtp.gmail.com");
		properties.setProperty("mail.smtp.port", "465");

		return Session.getInstance(properties, authenticator);
	}

	private class Authenticator extends javax.mail.Authenticator {
		private PasswordAuthentication authentication;

		public Authenticator() {
			String username = "mkarthik415";
			String password = "*******";
			System.out.println("selecting username and password");
			authentication = new PasswordAuthentication(username, password);
		}

		protected PasswordAuthentication getPasswordAuthentication() {
			return authentication;
		}
	}
}

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After running the project with above code as java applicatioin I getting this exception

selecting username and password
Exception in thread "main" javax.mail.MessagingException: Could not connect to SMTP host: smtp.gmail.com, port: 465, response: -1
      at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1694)
      at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:525)
      at javax.mail.Service.connect(Service.java:291)
      at javax.mail.Service.connect(Service.java:172)
      at javax.mail.Service.connect(Service.java:121)
      at javax.mail.Transport.send0(Transport.java:190)
      at javax.mail.Transport.send(Transport.java:120)
      at MailWithPasswordAuthentication.run(MailWithPasswordAuthentication.java:26)
      at MailWithPasswordAuthentication.main(MailWithPasswordAuthentication.java:14)

have a look http://ashwinrayaprolu.wordpress.com/2008/09/11/java-mail-over-sslgmail-as-example/

ty