smtp of java mail

send mail use smtp .u can send text or html, send to many peoples if u have a email user and pwd and the smtp of the email which u use.
package org.lc.smtp;
import java.io.IOException;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.util.ByteArrayDataSource;
import com.sun.mail.smtp.SMTPTransport;
/**
* smtp send mail.
* @author lc.
*/
public class smtp {
Message message;
Properties properties = new Properties();
Session session;
/**
*
* @param from mail from
* @param pwd mail pwd
* @param host mail from smtp host
* @param to to someone's mail
*/
public smtp(String from, String pwd, String host, String to) throws MessagingException, IOException {
properties.put("mail.smtp.host", host);// set smtp properties
session = Session.getInstance(properties);
message = new MimeMessage(session);
message.setSubject("title of mail");// set titile
message.setText("text");//send text
message.setDataHandler(new DataHandler(new ByteArrayDataSource("<a href="\" mce_href="\""http://www.baidu.com\">ahaha..</a>".toString(), "text/html")));// send html
message.setfrom(new InternetAddress(from));// set send from
message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to,false));// set send where

SMTPTransport t = (SMTPTransport) session.getTransport("smtp");
t.connect(host, from, pwd);
t.sendMessage(message, message.getAllRecipients());
}

public static void main(String[] args) throws Exception {
new smtp(args[0], args[1], args[2], args[3]);
}

}