Java发送邮件老是报这错，怎么解决？

Question

javax.mail.AuthenticationFailedException: 530 Error: A secure connection is requiered(such as ssl) Properties prop = new Properties(); prop.setProperty("mail.transport.protocol", "smtp"); // 设置邮件发送协议 prop.setProperty("mail.host", "smtp.qq.com"); // 邮件服务器地址 //prop.setProperty("mail.smtps.ssl.enable", "true"); // 邮件ssl验证 prop.setProperty("mail.smtp.auth", "true"); // 邮件服务身份验证 //prop.setProperty("mail.smtp.localhost", "127.0.0.1"); Session session = Session.getDefaultInstance(prop); // 收件人电子邮箱 String to = "[e-mail]"; // 发件人电子邮箱 String from = "[e-mail]"; try{ // 创建默认的 MimeMessage 对象 MimeMessage message = new MimeMessage(session); // 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(to)); // Set Subject: 头部头字段 message.setSubject("This is the Subject Line!"); // 设置消息体 message.setText("This is actual message"); // 根据 Session 获取邮件传输对象 Transport transport = session.getTransport(); transport.connect("[e-mail]","xxxxx"); // 发送消息 transport.send(message); System.out.println("Sent message successfully...."); }catch (MessagingException mex) { mex.printStackTrace(); }

Answer 1

服务器要求加密，你却注释掉了

 //prop.setProperty("mail.smtps.ssl.enable", "true"); // 邮件ssl验证