app/config/email.php

<?php

$config = [
    'protocol' => 'smtp',
    'mailtype' => 'html',
    'smtp_crypto' => 'tls', //sudah coba ssl (port:465) ataupun tls
    'smtp_host' => 'smtp.gmail.com',
    'smtp_user' => 'emailsaya@gmail.com',
    'smtp_pass' => 'passwordgoogle',
    'smtp_port' => '587'
];