Connection could not be established with host smtp.163.com [Connection timed out #110]

Connection could not be established with host [Connection timed out #110]

框架配置 用

端口用 465

'mailer' => [

'class' => 'yii\swiftmailer\Mailer',

'useFileTransport' =>false,

'transport' => [

'class' => 'Swift_SmtpTransport',

'host' => '',

'username' => 'yuandanghui',

'password' => 'admin123',

'port' => '465',

'encryption' => 'ssl',

],