Send Mail with JAVA

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;

public class SimpleMailSender {
    public static void main(String[] args) {
        Properties props = new Properties();
        props.put("mail.smtp.host", "smtp.gmail.com");
        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("ce.umitunal@gmail.com","  tvljswywbozgfrlu  ");
                }
            });

        try {

            Message message = new MimeMessage(session);
            message.setFrom(new InternetAddress("ce.umitunal@gmail.com"));
            message.setRecipients(Message.RecipientType.TO,
                    InternetAddress.parse("emrah.yilmaz@konatus.tv"));
            message.setSubject("Hacý Test Maili Bu");
            message.setText("Ben ümit Ünal Testingen ! ," +
                    "\n\n No spam to my email, please!");

            Transport.send(message);

            System.out.println("Done");

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