How to configure PHP MailList DB and Email configurations

FILE: /lists/config/config.php

// what is your Mysql database server hostname

$database_host = '10.0.1.56';

// what is the name of the database we are using

$database_name = 'dbname';

// what user has access to this database

$database_user = 'dbusername';

// and what is the password to login to control the database

$database_password = 'dbpassword';

//  Email configurations

define("PHPMAILER",1);

define('PHPMAILERHOST', 'email.gmail.com');   // SMTP server name

$phpmailer_smtpuser = 'smtp@gmail.com';   /// SMTP username

$phpmailer_smtppassword = 'MxDE5T6';   // SMTP password

$phpmailer_smtpport = '465';   //SMTP port