Email Sending Program using Gmail Servers. in Java
A Simple program using java mail API that sends mail.
Note. You must have javax,mail package. To get it download Java EE SDK from http://www.oracle.com/technetwork/java/javaee/downloads/index.html.

Add the modules folder to your class path before complie.

Note: A Working Internet Connection is must to send mail. 

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 SendMailSSL {

    public static void main(String[] args) {
               String myaddr="your_mail_name@gmail.com";
                 String mypass="your_mail_password";
                 String destaddr="destination Addr ";
        
    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(myaddr,mypass);
                }
            });
 
        try {
                                          String msgtext="This is the mail from Java Program";
            Message message = new MimeMessage(session);
            message.setFrom(new InternetAddress("admin@forgetcode.com"));
            message.setRecipients(Message.RecipientType.TO,
                    InternetAddress.parse(destaddr));
            message.setSubject("Mail Using Java Program. Reply Me ");
            message.setText(msgtext);
 
            Transport.send(message);
 
            System.out.println("-------->Done<---------");
 
        } catch (MessagingException e) {
            throw new RuntimeException(e);
        }
    }
}