SendMail发送回执及读取收件箱

    Properties props = new Properties(); 
    
    String smtp = "smtp.qq.com";    //使用域名地址,建议不要使用ip地址,因为IP有可能会换掉。
    String servername = "******@qq.com" ; 
    String serverpaswd ="*******";//QQ邮箱的SMTP的授权码
    
    javax.mail.Session mailSession; //邮件会话对象 
    javax.mail.internet.MimeMessage mimeMsg; //MIME邮件对象 
    
    props = java.lang.System.getProperties(); //获得系统属性对象 
    props.setProperty("mail.smtp.timeout", "120000");//2分钟
    props.put("mail.smtp.host", smtp); //设置SMTP主机 
    props.put("mail.smtp.auth", "true"); //是否到服务器用户名和密码验证 
    //到服务器验证发送的用户名和密码是否正确 
    Email_Autherticatorbean myEmailAuther = new Email_Autherticatorbean(servername, serverpaswd); 
    //设置邮件会话 
    mailSession = javax.mail.Session.getInstance(props, (Authenticator) myEmailAuther); 
    //设置传输协议 
    javax.mail.Transport transport = mailSession.getTransport("smtp");

        // 要求阅读回执(收件人阅读邮件时会提示回复发件人,表明邮件已收到,并已阅读)
        mimeMsg.setHeader("Disposition-Notification-To", from);
        mimeMsg.reply(true);
        
        mimeMsg.saveChanges();

import java.security.Security;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;

import javax.mail.Address;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.search.AndTerm;
import javax.mail.search.BodyTerm;
import javax.mail.search.FromStringTerm;
import javax.mail.search.SearchTerm;
import javax.mail.search.SubjectTerm;

class MailReceives {
    public static void main(String[] args) throws Exception {
        // 定义连接POP3服务器的属性信息
        String protocol = "pop3";
        String pop3Port = "995";   //SSl 加密使用 端口：995；139/163邮件使用端口：110
        String pop3Server = "pop.qq.com";  
        String username = "****@qq.com";
        String password = "*****"; // QQ邮箱的SMTP的授权码

        //设置SSL连接、邮件环境
        Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
        final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
        
        Properties props = new Properties();
        props.setProperty("mail.pop3.socketFactory.class", SSL_FACTORY);
        props.setProperty("mail.store.protocol", protocol); // 使用的协议（JavaMail规范要求）
        props.setProperty("mail.smtp.host", pop3Server); // 发件人的邮箱的 SMTP服务器地址
        props.setProperty("mail.pop3.port", pop3Port);
        
       //到服务器验证发送的用户名和密码是否正确 
          Email_Autherticatorbean myEmailAuther = new Email_Autherticatorbean(username, password); 
        // 获取连接
        Session session = Session.getInstance(props, myEmailAuther);
        session.setDebug(false);

        // 获取Store对象
        Store store = session.getStore(protocol);
        store.connect(pop3Server, username, password); // POP3服务器的登陆认证

        // 通过POP3协议获得Store对象调用这个方法时，邮件夹名称只能指定为"INBOX"
        Folder folder = store.getFolder("INBOX");// 获得用户的邮件帐户
        folder.open(Folder.READ_WRITE); // 设置对邮件帐户的访问权限

        //folder.getMessages(); //获取所有的邮件
        
        //搜索发件人包含***的邮件   
        SearchTerm term = new FromStringTerm("@139.com");
        // 搜索主题包含***的邮件    
        SearchTerm subjectTerm = new SubjectTerm("已读：");
        SearchTerm andTerm=new AndTerm(term, subjectTerm);
        
        Message[] messages = folder.search(andTerm,folder.getMessages());// 得到邮箱帐户中的所有邮件
        System.err.println(messages.length);
        
        String body = "报表配置县市";
        String sendDate = "2018-06-22 16:59:36";
        String condition = "这是邮件收条, "+sendDate+" 发给 ****@139.com,  主题为 "+body+" 的信件已被接收";
        
        SearchTerm contentTerm = new BodyTerm(condition);
        
        Message[] msg = folder.search(contentTerm, messages);
        // 打印不同状态的邮件数量 
        System.out.println("收件箱中共" + msg.length + "封邮件!");
        for (Message message : msg) {
            String subject = message.getSubject();// 获得邮件主题
            Address from = (Address) message.getFrom()[0];// 获得发送者地址
            System.out.println("邮件的主题为: " + subject + "\t发件人地址为: " + from);
        }
        
        folder.close(false);// 关闭邮件夹对象
        store.close(); // 关闭连接对象
    }
}