Java Mail

public class MailSenderUtil {      public static void send(String title,String []to,String text,List<File> files)throws Exception {      JavaMailSenderImpl mailSender = new JavaMailSenderImpl();      mailSender.setHost("smpt.qq.com");      mailSender.setPort(25);      mailSender.setUsername("username");//个人邮箱      mailSender.setPassword("password");//邮箱密码      mailSender.setDefaultEncoding("UTF-8");            Properties javaMailProperties = new Properties();      javaMailProperties.setProperty("mail.smtp.sendpartial", "true");      javaMailProperties.setProperty("mail.smtp.auth", "true");      javaMailProperties.setProperty("mail.smtp.socketFactory.port", "465");      javaMailProperties.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");            mailSender.setJavaMailProperties(javaMailProperties);             MimeMessage msg = mailSender.createMimeMessage();       MimeMessageHelper helper = new MimeMessageHelper(msg, true);       helper.setFrom(mailSender.getUsername());       helper.setTo(to);       helper.setSubject(title);       helper.setText(text);              if (!CollectionUtil.isEmpty(files)) {          for (File file : files) {             helper.addAttachment(file.getName(), file);         }      }              mailSender.send(msg);   }      public static void main(String[] args) throws Exception{      String []MAIL_CC_LIST={"[e-mail]","[e-mail]"};      File file1 = new File("D:\\test.csv");      File file2 = new File("D:\\test.xls");      List<File> files = new ArrayList<File>();      files.add(file1);      files.add(file2);                  send("test", MAIL_CC_LIST, "my test",files);   }