package com.future.portal.util;import java.io.IOException;import java.util.Date;import java.util.Properties;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.NoSuchProviderException;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.AddressException;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;import org.apache.log4j.Logger;public class MailSender {    final static Logger logger = Logger.getLogger(MailSender.class);    /**      * 发送简单邮件      * @param str_from：发件人地址      * @param str_to:收件人地址      * @param str_title：邮件标题      * @param str_content：邮件正文      * @param emailPwd：邮件密码     */    @SuppressWarnings("finally")    public static void send(String str_to, String str_title,String str_content){                boolean flog=false;        logger.info("sending... To: " + str_to + " Mail Title: " + str_title + " fileAttachment: " + str_content);                    Properties props = new Properties();                        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();                        try {                props.load(classLoader.getResourceAsStream("mail.properties"));   //使用property读取文件            } catch (IOException e) {                              e.printStackTrace();            }            String str_from = props.getProperty("mail.from");            String emailPwd = props.getProperty("mail.password");
                        final String mailServer_163 = props.getProperty("mail.smtp.163.mailServer");            final String mailServer_qq = props.getProperty("mail.smtp.qq.mailServer");            final String mailServer_Sina = props.getProperty("mail.smtp.sina.mailServer");
            String mailServer = "";            String emailType = Tools.subString(str_from, "@"); //截取@前            String eName = Tools.subberString(str_from,"@");
            if (emailType.trim() != "" && emailType.equals("qq.com")) {                mailServer = mailServer_qq;            }            if (emailType.trim() != "" && emailType.equals("163.com")) {                mailServer = mailServer_163;            }            if (emailType.trim() != "" && emailType.equals("sina.com.cn")) {                mailServer = mailServer_Sina;            }            if (emailType.trim() != "" && emailType.equals("sina.com")) {                mailServer = mailServer_Sina;            }           // 存储发送邮件服务器的信息            props.put("mail.smtp.host", mailServer);            // 同时通过验证            props.put("mail.smtp.auth", "true");            // 根据属性新建一个邮件会话            Session s = Session.getInstance(props);            s.setDebug(true); // 有他会打印一些调试信息。            // 由邮件会话新建一个消息对象            MimeMessage message = new MimeMessage(s);            // 设置邮件            InternetAddress from = null;            try {                from = new InternetAddress(str_from);            } catch (AddressException e) {                // TODO Auto-generated catch block                e.printStackTrace();            } // pukeyouxintest2@163.com            try {                message.setFrom(from);            } catch (MessagingException e) {                // TODO Auto-generated catch block                e.printStackTrace();            } // 设置发件人的地址            // //设置收件人,并设置其接收类型为TO            InternetAddress to = null;            try {                to = new InternetAddress(str_to);            } catch (AddressException e) {                               e.printStackTrace();            }            try {                message.setRecipient(Message.RecipientType.TO, to);                // 设置标题                message.setSubject(str_title); // java学习                // 设置信件内容                // message.setText(str_content); //发送文本邮件 //你好吗？                message.setContent(str_content, "text/html;charset=gbk"); // 发送HTML邮件                // 设置发信时间                message.setSentDate(new Date());                // 存储邮件信息                message.saveChanges();            } catch (MessagingException e) {                                e.printStackTrace();            }                        // 发送邮件            Transport transport = null;            try {                transport = s.getTransport("smtp");            } catch (NoSuchProviderException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            // 以smtp方式登录邮箱,第一个参数是发送邮件用的邮件服务器SMTP地址,第二个参数为用户名,第三个参数为密码            try {                transport.connect(mailServer, eName, emailPwd) ;            } catch (MessagingException e) {                               e.printStackTrace();            }            // 发送邮件,其中第二个参数是所有已设好的收件人地址            try {                transport.sendMessage(message, message.getAllRecipients());            } catch (MessagingException e) {                               e.printStackTrace();            }            try {                transport.close();            } catch (MessagingException e) {                               e.printStackTrace();            }               }            /**     * 异步发送邮件的方法*/    public static void sendMailByAsynchronous(final String str_to, final String str_title, final String str_content) throws Exception{        new Thread(new Runnable() {            public void run() {                try {                    MailSender.send(str_to, str_title, str_content);                } catch (Exception ex) {                    logger.error("mail sender error To: " + str_to                            + " Mail Title: " + str_title + " fileAttachment: "                            + str_content, ex);                }            }        }).start();            }}

mail.smtp.163.mailServer=smtp.163.commail.smtp.qq.mailServer=smtp.qq.commail.smtp.sina.mailServer=smtp.sina.com.cnmail.username=asdmail.password=123456mail.from=asd@163.com