Yii2 mailer

gistfile1.txt

'mailer' => [
            'class' => 'yii\swiftmailer\Mailer',
            // send all mails to a file by default. You have to set
            // 'useFileTransport' to false and configure a transport
            // for the mailer to send real emails.
            'useFileTransport' => false,
            'transport' => [
                'class' => 'Swift_SmtpTransport',
                'host' => 'smtp.gmail.com',
                'username' => 'email',
                'password' => 'password',
                'port' => '587',
                'encryption' => 'tls',
                'streamOptions' => [ 'ssl' => [ 'allow_self_signed' => true, 'verify_peer' => false, 'verify_peer_name' => false, ], ]
            ],
            
        ],