How can setup smtp server in phplist ?

we did use this basic configuration .but not working

# If you want to use the PHPMailer class from phpmailer.sourceforge.net, set the following
# to 1. If you tend to send out html emails, it is recommended to do so.
define(“PHPMAILER”,1);

# To use a SMTP please give your server hostname here, leave it…[Read more]