?if?($res){
????????//發送郵件,以QQ郵箱為例
????????//配置郵件服務器，得到傳輸對象
????????$transport=Swift_SmtpTransport::newInstance('smtp.qq.com',465);//25是默認端口號
????????//設置登錄帳號和密碼
????????$transport->setUsername('[email protected]');//發送方郵箱
????????$transport->setPassword($emailPassword);
????????//得到發送郵件對象Swift_Mailer對象
????????$mailer=Swift_Mailer::newInstance($transport);
????????//得到郵件信息對象
????????$message=Swift_Message::newInstance();
????????//設置管理員的信息
????????$message->setFrom(array('[email protected]'=>'Mogu'));
????????//將郵件發給誰
????????$message->setTo(array($email=>'imooc'));
????????……
????????try?{
????????????if?($mailer->send($message)){
????????????????echo?"恭喜您{$username}注冊成功，請到郵箱激活之后登錄";
????????????????echo?'3秒鐘后跳轉到登錄頁面';
????????????????echo?'<meta?http-equiv="refresh"?content="3;url=index.php#tologin"/>';
????????????}else{
????????????????$PdoMySql->delete($table,'id='.$lastInsertId);
????????????????echo?'注冊失敗，請重新注冊';
????????????????echo?'3秒鐘后跳轉到注冊頁面';
????????????????echo?'<meta?http-equiv="refresh"?content="3;url=index.php#toregister"/>';
????????????}
????????}?catch?(Swift_ConnectionException?$e)?{//這里是警告
????????????echo?'郵件發送錯誤'.$e->getMessage();
????????}

錯誤是：Fatal error: ?Uncaught Swift_TransportException: Connection to smtp.qq.com:465 Timed Out in F:\xampp\htdocs\practise\pdoEx\app\swiftmailer-master\lib\classes\Swift\Transport\AbstractSmtpTransport.php:407 Stack trace: #0 F:\xampp\htdocs\practise\pdoEx\app\swiftmailer-master\lib\classes\Swift\Transport\AbstractSmtpTransport.php(291): Swift_Transport_AbstractSmtpTransport->_getFullResponse(0) #1 F:\xampp\htdocs\practise\pdoEx\app\swiftmailer-master\lib\classes\Swift\Transport\AbstractSmtpTransport.php(119): Swift_Transport_AbstractSmtpTransport->_readGreeting() #2 F:\xampp\htdocs\practise\pdoEx\app\swiftmailer-master\lib\classes\Swift\Mailer.php(80): Swift_Transport_AbstractSmtpTransport->start() #3 F:\xampp\htdocs\practise\pdoEx\app\doAction.php(54): Swift_Mailer->send(Object(Swift_Message)) #4 {main} ?thrown in F:\xampp\htdocs\practise\pdoEx\app\swiftmailer-master\lib\classes\Swift\Transport\AbstractSmtpTransport.php on line 407