代碼如下：public?class?MailTool?{ ??public?static?void?main(String[]?args)?throws?MessagingException,?GeneralSecurityException?{ ????Properties?props?=?new?Properties(); ? ????//?開啟debug調試 ????props.setProperty("mail.debug",?"true"); ????//?發送服務器需要身份驗證 ????props.setProperty("mail.smtp.auth",?"true"); ????//?設置郵件服務器主機名 ????props.setProperty("mail.host",?"smtp.qq.com"); ????//?發送郵件協議名稱 ????props.setProperty("mail.transport.protocol",?"smtp"); ? ????MailSSLSocketFactory?sf?=?new?MailSSLSocketFactory(); ????sf.setTrustAllHosts(true); ????props.put("mail.smtp.ssl.enable",?"true"); ????props.put("mail.smtp.ssl.socketFactory",?sf); ? ????Session?session?=?Session.getInstance(props); ? ????Message?msg?=?new?MimeMessage(session); ????msg.setSubject("seenews?錯誤"); ????StringBuilder?builder?=?new?StringBuilder(); ????builder.append("url?=?"?+?"http://rstyro.top"); ????builder.append("\n頁面爬蟲錯誤"); ????builder.append("\n時間?"?+?System.currentTimeMillis()); ????msg.setText(builder.toString()); ????msg.setFrom(new?InternetAddress("[email protected]")); ? ????Transport?transport?=?session.getTransport(); ????transport.connect("smtp.qq.com",?"[email protected]",?"我的授權碼"); ? ????transport.sendMessage(msg,?new?Address[]?{?new?InternetAddress("[email protected]")?}); ????transport.close(); ??} }報錯如下：這是神馬原因？問題補充：已開啟QQ郵箱的服務