//获取邮箱会话
    @NotNull
    private static Session getMailSession() {
        Properties prop = System.getProperties();
        prop.put("mail.imap.host", "imaphz.qiye.163.com");

        prop.put("mail.imap.auth.plain.disable", "true");
        prop.put("mail.imap.socketFactory.class", "javax.net.ssl.SSLSocketFactory");  //使用JSSE的SSL socketfactory来取代默认的socketfactory
        prop.put("mail.imap.socketFactory.fallback", "false");  // 只处理SSL的连接,对于非SSL的连接不做处理
        prop.put("mail.imap.port", 143);
        prop.put("mail.imap.socketFactory.port", 993);

        Session mailSession = Session.getInstance(prop, null);
        return mailSession;
    }

     Session mailSession = getMailSession(); 
     IMAPStore store = null;
     IMAPFolder folder = null;
       // 使用IMAP方式进行连接
      store = (IMAPStore) mailSession.getStore("imap");
      //user参数为邮箱信息***@.com,password为自己的激活码(需要再自己去网易企业邮箱进行认证和获取)
      store.connect(imapServer, user, password);
      // 拿到收件箱
      folder = (IMAPFolder) store.getFolder("INBOX");