.env

MAIL_DRIVER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=587
MAIL_USERNAME=myusername@gmail.com
MAIL_PASSWORD="mypass"
MAIL_ENCRYPTION=tls


config/mail.php


'from' => ['address' => 'myusername@gmail.com', 'name' => 'Test'],

php artisan config:cache
php artisan cache:clear
php artisan config:clear