Email versenden mithilfe von Javamail

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 test {
 
	public static void main(String args) {
 
		final String username = "testjavamail05@gmail.com";  
		final String password = "************";  
 
		Properties props = new Properties();
		props.put("mail.smtp.auth", "true");  
		props.put("mail.smtp.starttls.enable", "true");  
		props.put("mail.smtp.host", "smtp.gmail.com");  
		props.put("mail.smtp.port", "587");  
 
		Session session = Session.getInstance(props,
		  new javax.mail.Authenticator() {
			protected PasswordAuthentication getPasswordAuthentication() {
				return new PasswordAuthentication(username, password);
			}
		  });
 
		try {
 
			Message message = new MimeMessage(session);
			message.setFrom(new InternetAddress("testjavamail05@gmail.com")); //from Email  
			message.setRecipients(Message.RecipientType.TO,
				InternetAddress.parse("testjavamail05@gmail.com")); //to Email  
			message.setSubject("Überschriftt");  
			message.setText("Text Text Text");  
 
			Transport.send(message);
 
			System.out.println("Gesendet");  
 
		} catch (MessagingException e) {
			throw new RuntimeException(e);
		}
	}
}