JavaMail发送邮件

代码：

package com.mojieai.predict.service.impl;import com.mojieai.predict.service.SendEmailService;import com.sun.mail.util.MailSSLSocketFactory;import org.springframework.stereotype.Service;import javax.mail.*;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;import java.io.UnsupportedEncodingException;import java.security.GeneralSecurityException;import java.util.Date;import java.util.Properties;/** * Created by tangxuelong on 2017/8/24. */@Servicepublic class SendEmailServiceImpl implements SendEmailService {    private final static String ACCOUNT = "[e-mail]";//登录用户名    private final static String PASSWORD = "";        //登录密码    private final static String FROM = "[e-mail]";        //发件地址    private final static String HOST = "smtp.exmail.qq.com";        //服务器地址    private final static String PORT = "465";        //端口    private final static String PROTOCOL = "smtp"; //协议    private final static String TO = "[e-mail]"; //协议    @Override    public void SendEmail(String title, String content) {        Properties prop = new Properties();        //协议        prop.setProperty("mail.transport.protocol", PROTOCOL);        //服务器        prop.setProperty("mail.smtp.host", HOST);        //端口        prop.setProperty("mail.smtp.port", PORT);        //使用smtp身份验证        prop.setProperty("mail.smtp.auth", "true");        //使用SSL，企业邮箱必需！        //开启安全协议        MailSSLSocketFactory sf = null;        try {            sf = new MailSSLSocketFactory();            sf.setTrustAllHosts(true);        } catch (GeneralSecurityException e1) {            e1.printStackTrace();        }        prop.put("mail.smtp.ssl.enable", "true");        prop.put("mail.smtp.ssl.socketFactory", sf);        //        Session session = Session.getDefaultInstance(prop, new MyAuthenricator(ACCOUNT, PASSWORD));        session.setDebug(true);        MimeMessage mimeMessage = new MimeMessage(session);        try {            mimeMessage.setFrom(new InternetAddress(FROM, "智慧彩票后台服务"));            mimeMessage.addRecipient(Message.RecipientType.TO, new InternetAddress(TO));            mimeMessage.setSubject(title);            mimeMessage.setSentDate(new Date());            mimeMessage.setContent(content, "text/html;charset = gbk");            mimeMessage.saveChanges();            Transport.send(mimeMessage);        } catch (MessagingException e) {            e.printStackTrace();        } catch (UnsupportedEncodingException e) {            e.printStackTrace();        }    }    //用户名密码验证，需要实现抽象类Authenticator的抽象方法PasswordAuthentication    static class MyAuthenricator extends Authenticator {        String u = null;        String p = null;        public MyAuthenricator(String u, String p) {            this.u = u;            this.p = p;        }        @Override        protected PasswordAuthentication getPasswordAuthentication() {            return new PasswordAuthentication(u, p);        }    }}