java 发送邮件

package com.email;

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 EmailTemplate {

       

    private String title;

    private String content;

    private String signature;

    private String[] emails;

       

       

    public EmailTemplate(String title,String content,String signature,String[] emails){

        this.title = title;

        this.content = content;

        this.emails = emails;

        this.signature = signature;

    }

       

    public boolean sendEmailToStu(){

        Properties pros = new Properties();

        pros.setProperty("mail.smtp.auth", "true");  //设置登录为true

        pros.setProperty("mail.transport.protocol", "smtp"); //设置通信协议为smtp

        pros.setProperty("mail.host", "smtp.sina.com");        //设置发件主机

        //会话采用的用户名密码

        Session session = Session.getInstance(pros,

            new Authenticator() {

                protected PasswordAuthentication getPasswordAuthentication() {

                    return new PasswordAuthentication("[e-mail]", "jsjxgb");

                }

            } 

        );

        //在命令行打印调试信息

        //session.setDebug(true);

        //创建邮件

        Message msg = new MimeMessage(session);

        //设置发件人

        try {

            msg.setFrom(new InternetAddress("[e-mail]"));

            //设置主题

            msg.setSubject(title);

            //设置内容，格式和编码

            String emailContent = "<center><font size='+4' style='color:#F00'>" + this.title +"</font></center>同学你好：<br />" +

                    "<p>  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;" + this.content + "</p><p align='right'>" + this.signature + "</p>";

            msg.setContent(emailContent,"text/html;charset=gbk");

            String sendEmail = "";

            for(String s:emails){

                sendEmail = sendEmail + s +",";

            }

            sendEmail = sendEmail.substring(0,sendEmail.length()-1);

            //设定收件人

            msg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(sendEmail));

            //发送邮件

            Transport.send(msg,InternetAddress.parse(sendEmail));

        } catch (AddressException e) {

            return false;

            //  e.printStackTrace();

        } catch (MessagingException e) {

            return false;

            //e.printStackTrace();

        }

        return true;

    }

       

    public static void main(String[] args) {

        new EmailTemplate("title","content","signature",new String[]{"[e-mail]"}).sendEmailToStu();

    }

}