java邮件系统

package com.huawei.mail;

import java.util.Properties;

import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class Mail {

/**
* @throws MessagingException
* @throws AddressException
*/
public static void main(String[] args) throws AddressException,
MessagingException {
// TODO Auto-generated method stub
String host = "smtp.163.com";
String from = "[e-mail]";
String to = "[e-mail]";
String userName= "gy_java";
String userPassword = "*****";


MyAuthenticator myAu = new MyAuthenticator(userName, userPassword);

Properties ps = System.getProperties();
ps.put("mail.smtp.auth", "true");
ps.put("mail.smtp.host", host);
// 创建会话
Session session = Session.getDefaultInstance(ps,myAu);
MimeMessage mess = new MimeMessage(session);
mess.setFrom(new InternetAddress(from));
mess.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
mess.setSubject("测试邮件！！！爱爱aaa");
mess.setText("Welcome to JavaMail World1111111111111111111111111111!");

Transport tran = session.getTransport("smtp");
tran.connect(host, userName, userPassword);
tran.send(mess);
tran.close();

System.out.println("测试代码！");
}

}

/**
*
* @author Administrator
*
*/
class MyAuthenticator extends Authenticator {
private String m_username = null;

private String m_userpass = null;

void setUsername(String username) {
m_username = username;
}

void setUserpass(String userpass) {
m_userpass = userpass;
}

public MyAuthenticator(String username, String userpass) {
super();
setUsername(username);
setUserpass(userpass);
}

public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(m_username, m_userpass);
}

}