  <?php
    $app['mail_transport'] = "smtp";
    $app['smtp.config'] = array(
        'host' => 'smtp.gmail.com',
        'port' => 465,
        'username' => 'xxxx@gmail.com',
        'password' => 'xxxx',
        'encryption' => 'ssl',
        'auth_mode' => 'login'        
    );