Laravel 5.8 Password Reset Email Not Working

The config in config/mail.php and .env are same like below-

 MAIL_DRIVER=smtp
 MAIL_HOST=smtp.gmail.com
 MAIL_PORT=587
 MAIL_USERNAME=user@gmail.com
 MAIL_PASSWORD=password
 MAIL_ENCRYPTION=tls

I am getting the following error-

500 5.5.1 Invalid command

via Chebli Mohamed