After you install Drupal on your computer using XAMPP or similar software this error occurs. The reason is that you do not have a mail server on your local host running on port 25. Here are the error deatils:
Drupal is an open source content management system or CMS. Its basic requirements are support for PHP, MySQL and a web server like Apache. In this tutorial you will learn how to install Drupal on your home computer. It can save you hosting costs, if you feel that Drupal suits your business requirements then you can purchase a good hosting later on.
