warehouse/config/email.php

<?php

return [
    'default' => env('EMAIL_DRIVER', 'smtp'),
    'smtp' => [
        'type' => 'smtp',
        'host' => env('EMAIL_SMTP_HOST'),
        'port' => env('EMAIL_SMTP_PORT', 25),
        'encryption' => env('EMAIL_SMTP_ENCRYPTION'),
        'username' => env('EMAIL_SMTP_USERNAME'),
        'password' => env('EMAIL_SMTP_PASSWORD'),
        'from' => [
            'name' => env('EMAIL_FROM_NAME'),
            'email' => env('EMAIL_FROM_EMAIL'),
        ],
    ],
    'postmark' => [
        'type' => 'postmark',
        'token' => env('EMAIL_TOKEN'),
        'from' => [
            'name' => env('EMAIL_FROM_NAME'),
            'email' => env('EMAIL_FROM_EMAIL'),
        ],
    ],
];