Simply copy “wp-postalicious.php” to the “wp-content/plugins/” folder found in your WordPress installation. Then go to the “Plugins” tab inside the WordPress administration website and activate Postalicious. Finally you need to enter your account type (delicious, Google Reader, Reddit, Yahoo Pipes, Jumptags, Pinboard, or Diigo) and details as well as other Postalicious preferences in the by clicking the link labeled “Postalicious” inside the “Settings” menu on the navigation bar in the WordPress administration website.
This plugin is available for download to be used on your WordPress self-hosted installation.