java 获取表单信息，通过smtp协议发送邮件(用户名密码发送，不用授权码)

这个用户名密码，不用授权码

public void handleEvent(EventExecutionContext execution, String parameter) throws Exception {
        
            KmReviewMain mainModel = (KmReviewMain) execution.getMainModel();
            //收件人邮箱地址
            String recipientEmail =(String) mainModel.getExtendDataModelInfo().getModelData().get("recipientEmail");
            //发件人邮箱地址
            final String senderEmail =(String) mainModel.getExtendDataModelInfo().getModelData().get("senderEmail");
            //发件人邮箱密码
            final String sendEmailPass =(String) mainModel.getExtendDataModelInfo().getModelData().get("sendEmailPass");
            //接受邮件主题
            String themeWords =(String) mainModel.getExtendDataModelInfo().getModelData().get("themeWords"); 
            //邮件内容
            String emailcontent =(String) mainModel.getExtendDataModelInfo().getModelData().get("emailcontent"); 
            //附件名称
            String fujianName="";
            //附件存储路径
            String fujiandizhi = "/app/resource";
            ISysAttMainCoreInnerService sysAttMainService = (ISysAttMainCoreInnerService) SpringBeanUtil.getBean("sysAttMainService");
            @SuppressWarnings("unchecked")
            List sysAttMainList = (List) sysAttMainService.findByModelKey(KmReviewMain.class.getName(), mainModel.getFdId(), "sendemailandattachkey");
            if(sysAttMainList!=null&&sysAttMainList.size()>0){
                SysAttMain sysAttMain = sysAttMainList.get(0);
                fujianName = sysAttMain.getFdFileName();
                String in = SysAttViewerUtil.getMediaFilePath(sysAttMain);
                fujiandizhi+=in;
            }    
            
             JavaMailSenderImpl javaMailSender = new JavaMailSenderImpl();
               //发邮件人邮箱
               javaMailSender.setUsername(senderEmail);
               //发邮件人邮箱密码（默认使用客户端的授权码）
               javaMailSender.setPassword(sendEmailPass);
               //设置邮件服务器主机名  SMTP服务器地址
               javaMailSender.setHost("mail.boshi.cn");
               //SMTP服务器: 默认端口 换成腾讯云服务器后,需要将端口换成465
               //javaMailSender.setPort(465);
               javaMailSender.setPort(25);
               发送邮件协议名称
               javaMailSender.setProtocol("smtp");
               //编码格式
               javaMailSender.setDefaultEncoding("UTF-8");
               //创建连接对象，连接到邮箱服务器
               Properties mailProperties = new Properties();
               //发送服务器需要身份验证,要采用指定用户名密码的方式去认证
               mailProperties.put("mail.smtp.auth", true);
               mailProperties.put("mail.smtp.starttls.enable", true);
               //添加连接对象到邮件对象中
               javaMailSender.setJavaMailProperties(mailProperties);
               try {
                   // 得到默认的对话对象
                   Authenticator a = new Authenticator() {
                       public PasswordAuthentication getPasswordAuthentication() {
                           return new PasswordAuthentication(senderEmail, sendEmailPass);
                       }
                   };
                   MimeMessage message = getMimeMessage(mailProperties,a,senderEmail,fujianName, recipientEmail, themeWords, emailcontent, fujiandizhi);
                   javaMailSender.send(message);
                   // 发送消息
//                    Transport.send(message);
                    logger.warn("-----------------------邮件发送成功-------------------");
               } catch (Exception e) {
                   e.printStackTrace();
                   logger.error("-----------------------邮件发送失败--------------------");
               }
        
    }
    
       private MimeMessage getMimeMessage(Properties props,Authenticator a ,String from,String fromEmail, String receive, String subject, String msg, String filename) throws MessagingException, UnsupportedEncodingException {
           // 创建默认的 MimeMessage 对象
           //创建Session实例
           Session session = Session.getDefaultInstance(props, a);
           session.setDebug(true);
           //创建MimeMessage实例对象
           MimeMessage message=new MimeMessage(session);
           //设置自定义发件人昵称
           String nick="";
           try {
//                nick=javax.mail.internet.MimeUtility.encodeText("luminescience");
               if(StringUtil.isNotNull(fromEmail)){
                   //nick=javax.mail.internet.MimeUtility.encodeText(fromEmail);
                   nick=javax.mail.internet.MimeUtility.encodeText(subject);
               }
           } catch (Exception e) {
               e.printStackTrace();
           }
           message.setFrom(new InternetAddress(nick+" <"+from+">"));
           // Set From: 头部头字段
//            message.setFrom(new InternetAddress(from));
           // Set To: 头部头字段
           message.addRecipient(Message.RecipientType.TO, new InternetAddress(receive));
           // Set Subject: 主题文字
           message.setSubject(subject);
           // 创建消息部分
           BodyPart messageBodyPart = new MimeBodyPart();
           // 消息
           messageBodyPart.setText(msg);
           // 创建多重消息
           Multipart multipart = new MimeMultipart();
           // 设置文本消息部分
           multipart.addBodyPart(messageBodyPart);
           // 设置要发送附件的文件路径
           if(StringUtil.isNotNull(filename)){
               // 附件部分
               messageBodyPart = new MimeBodyPart();
               DataSource source = new FileDataSource(filename);
               messageBodyPart.setDataHandler(new DataHandler(source));
               messageBodyPart.setFileName(filename);
               // 处理附件名称中文（附带文件路径）乱码问题
               messageBodyPart.setFileName(MimeUtility.encodeText(fromEmail));
               multipart.addBodyPart(messageBodyPart);
           }
           // 发送完整消息
           message.setContent(multipart);
           return message;
       }