Java邮件发送程序

package com.liu.MailDemo;import java.util.Properties;import javax.mail.Address;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;public class MailDemo {public static void main(String[] args) throws MessagingException{Properties props = new Properties();props.setProperty("mail.smtp.auth", "true");props.setProperty("mail.transport.protocol", "smtp");Session session = Session.getInstance(props);session.setDebug(true);Message msg = new MimeMessage(session);msg.setText("helloworld");msg.setFrom(new InternetAddress("xx"));//xx为邮箱名Transport transport = session.getTransport();transport.connect("smtp.sina.com", 25, "xx","yy");//yy邮箱密码transport.sendMessage(msg, new Address[]{new InternetAddress("xx")});//transport.send(msg,new Address[]{new InternetAddress("xx")});transport.close();}}