View file config/mail.php

<?php

return [
    'driver'     => env('MAIL_DRIVER'),
    'host'       => env('MAIL_HOST'),
    'port'       => env('MAIL_PORT'),
    'username'   => env('MAIL_USERNAME'),
    'password'   => env('MAIL_PASSWORD'),
    'encryption' => env('MAIL_ENCRYPTION'),
    'path'       => env('MAIL_PATH'),
];