To change your password you will need to know your current password. You can deny access to individuals and IP addresses that you do not want to post to your board. You can control users through the Manage Users section of the Board Administration Panel. You cannot restrict users from viewing messages but you can restrict users from posting messages. Users do not have to register to view messages but they do have to register to post messages.
Registration is very simple and requires minimal information.
Yes you can e-mail all registered users of your board via the Administration Panel. This feature is available on the Board Administration Panel home page and in the Manage Users section of the Board Administration Panel. Yes, you can view and delete messages, subjects and categories at your discretion. Your image file must be in the form of a .gif or .jpg image. Please include your registered e-mail address, User ID, password and web site address in your request.