Javamail发送附件，附件内容被显示在邮件正文中解决方案

message.setText("this just for test");message.setSubject("For test");Multipart m = new MimeMultipart();BodyPart body = new MimeBodyPart();DataSource source = new FileDataSource(new File("E:\\path.txt"));body.setDataHandler(new DataHandler(source));m.addBodyPart(body);message.setContent(m, "file");message.setSentDate(new Date());   Transport.send(message);