You can use the Email Form Generator within your Control Panel to create a basic HTML form within the root directory of your account along with a template which defines the format by which the form data will be sent. Imagemaps allow the user to click on predefined sections of a graphic picture on your page and have the server respond as if they clicked on a text hyperlink. A complete tutorial is available including a sample imagemap and helpful tools. Download a mapping program to create a map file based on the desired image. The map file will contain the coordinates of each clickable region.
More information is available.
An autoresponder is an automatic program that will respond to an email message sent to a predefined address in your domain. This is useful for automatically sending out information via email based on a user's emailed request. More information on setting up autoresponders is available. Yes, you can password protect specific directories within your website. You can begin assigning unique ids and passwords by selecting Edit Access in your Control Panel.