Sending message using Java Mail

public class SendMail {

    public static void main(String args[]) throws Exception {

        String host = "192.168.10.205";
        String from = "test@localhost";
        String to = "test@localhost";

        // Get system properties
        Properties properties = System.getProperties();

        // Setup mail server
       properties.setProperty("mail.smtp.host", host);

        // Get the default Session object.
        Session session = Session.getDefaultInstance(properties);

        // Create a default MimeMessage object.
        MimeMessage message = new MimeMessage(session);

        // Set the RFC 822 "From" header field using the
        // value of the InternetAddress.getLocalAddress method.
        message.setFrom(new InternetAddress(from));

        // Add the given addresses to the specified recipient type.
        message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));

        // Set the "Subject" header field.
        message.setSubject("hi..!");

        // Sets the given String as this part's content,
        // with a MIME type of "text/plain".
        message.setText("Hi ......");

        // Send message
        Transport.send(message);

         System.out.println("Message Send.....");
    }
}