To remove a user account from your server, follow the steps below:
Click the View/Edit/Delete User Accounts link from User Administration menu.
Click the Delete link of the user account you wish to update.
The Delete User form appears, as shown below:
NOTE: If you choose to delete a user’s files and home directory, all email and account preferences for that user will be permanently removed. For this reason, you should be absolutely sure that you want to delete a user’s home directory before doing so.
Click Yes to remove the user account from your server.