import java.util.*;
import java.io.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;

public class msgsendsample {
    static String msgText = "This is a message body";

    public static void main(String[] args) {
        if (args.length != 4) {
            usage();
            System.exit(1);
        }

        System.out.println();
    
        String to = args[0];
        String from = args[1];
        String host = args[2];
        boolean debug = Boolean.valueOf(args[3]).booleanValue();

        // create some properties and get the default Session
        Properties props = new Properties();
        props.put("mail.smtp.host", host);
        if (debug) props.put("mail.debug", args[3]);

        Session session = Session.getInstance(props, null);
        session.setDebug(debug);

        try {
            // create a message
            Message msg = new MimeMessage(session);
            msg.setFrom(new InternetAddress(from));
            InternetAddress[] address = {new InternetAddress(args[0])};
            msg.setRecipients(Message.RecipientType.TO, address);
            msg.setSubject("JavaMail APIs Test");
            msg.setSentDate(new Date());
            // If the desired charset is known, you can use
            // setText(text, charset)
            msg.setText(msgText);

            Transport.send(msg);
        } catch (MessagingException mex) {
            System.out.println("\n--Exception handling in msgsendsample.java");

            mex.printStackTrace();
        }
    }

    private static void usage() {
        System.out.println("usage: java msgsendsample <to> <from> <smtp> true|false");
    }
}