yii2 Swift_SmtpTransport 邮件 发送问题 [ 2.0 版本 ]

'mailer' => [
    'class' => 'yii\swiftmailer\Mailer',
    'viewPath' => '@common/mail',
    'useFileTransport' => false,    //这里一定要改成false，不然邮件不会发送
    'transport' => [
        'class' => 'Swift_SmtpTransport',
        'host' => 'smtp.126.com',
        'username' => 'xxxx@126.com',
        'password' => 'xxxxx',        //如果是163邮箱，此处要填授权码
        'port' => '465',
        'encryption' => 'ssl',
    ],
    'messageConfig' => [
        'charset' => 'UTF-8',
        'from' => ['xxx@126.com' => '随州启明网络']
    ],
]

linux window 都可以

'port' => '465',
'encryption' => 'ssl',

'port' => '25',
'encryption' => 'tsl',

linux 测试失败
window OK