sendmail

public static String USERNAME = "Administrator";
    public static String PASSWORD = "mailpass";
    public static void main(String[] args) throws MessagingException{
        Properties props = new Properties();
        props.put("mail.transport.protocol", "smtp");
        props.put("mail.smtp.auth", "true");


        Session mailSession = Session.getDefaultInstance(props, new Authenticator() {
            @Override
            public PasswordAuthentication getPasswordAuthentication() {
              return new PasswordAuthentication(USERNAME, PASSWORD);
            }
        });
        Transport transport = mailSession.getTransport();

        MimeMessage message = new MimeMessage(mailSession);

        Multipart multipart = new MimeMultipart("alternative");

        // Sets up the contents of the email message
        BodyPart part1 = new MimeBodyPart();
        part1.setText("anymessage");

        multipart.addBodyPart(part1);

        message.setContent(multipart);
        message.setFrom(new InternetAddress("admin@example.com"));
        message.setSubject("some subject");
        message.addRecipient(
            Message.RecipientType.TO, new InternetAddress("my@mail.com"));

        // Sends the email
        transport.connect("testmatrix.clients.emea.cpwr.corp", 25, USERNAME, PASSWORD);
        transport.sendMessage(message, message.getRecipients(Message.RecipientType.TO));
        transport.close();
    }