$wgSMTP = array(
        'host' => 'ssl://smtp.gmail.com',
        'IDHost' => 'local.com',
        'port' => 465,
        'username' => 'address@gmail.com', ## or info@mydomain.com, or whatever email account you've set up for your Mediawiki installation
        'password' => 'password',
        'auth' => true
     );