Send Simple email

import javax.mail.*;
import javax.mail.internet.*;
 
import java.util.Properties;
 
class SimpleMail {
    public static void main(String[] args) throws Exception{
      Properties props = new Properties();
      props.setProperty("mail.transport.protocol", "smtp");
      props.setProperty("mail.host", "mymail.server.org");
      props.setProperty("mail.user", "emailuser");
      props.setProperty("mail.password", "");
 
      Session mailSession = Session.getDefaultInstance(props, null);
      Transport transport = mailSession.getTransport();
 
      MimeMessage message = new MimeMessage(mailSession);
      message.setSubject("Testing javamail plain");
      message.setContent("This is a test", "text/plain");
      message.addRecipient(Message.RecipientType.TO,
           new InternetAddress("elvis@presley.org"));
 
      transport.connect();
      transport.sendMessage(message,
          message.getRecipients(Message.RecipientType.TO));
      transport.close();
    }
}