Drupal is the name of the software which powers Mario Staderini. There are Drupal web sites all over the world, and many of them share their registration databases so that users may freely login to any Drupal site using a single Drupal ID.

So please feel free to login to your account here at Mario Staderini with a username from another Drupal site. The format of a Drupal ID is similar to an email address: username@server. An example of a valid Drupal ID is mwlily@drupal.org.