邮件发送

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.InternetAddress;
import javax.mail.internet.MimeMessage;

public class HelloJMail {
 
 public static void sendMail() {
  String host = "smtp.163.com"; // 指定的smtp服务器
  String from = "[email protected]"; // 邮件发送人的邮件地址
  String to = "[email protected]"; // 邮件接收人的邮件地址
  final String username = "****************";  //发件人的邮件帐户
  final String password = "**********";   //发件人的邮件密码

  // 创建Properties 对象
  Properties props = System.getProperties();

  // 添加smtp服务器属性
  props.put("mail.smtp.host", host);
  props.put("mail.smtp.auth", "true");

  // 创建邮件会话
  Session session = Session.getDefaultInstance(props, new Authenticator(){
   @Override
   public PasswordAuthentication getPasswordAuthentication() {
    return new PasswordAuthentication(username, password);
   }
   
  });

  try {
   // 定义邮件信息
   MimeMessage message = new MimeMessage(session);
   message.setFrom(new InternetAddress(from));
   message.addRecipient(Message.RecipientType.TO, new InternetAddress(
     to));
   message.setSubject("HelloWorld JavaMail");
   message.setText("Welcome to JavaMail World!");

   // 发送消息
   //session.getTransport("smtp").send(message);  //也可以这样创建Transport对象
   Transport.send(message);
   System.out.println("发送成功！");

  } catch (MessagingException e) {
   e.printStackTrace();
  }
 }

 public static void main(String[] args) {
  HelloJMail.sendMail();
 }

1. }