PS Guestbook is Guest book you can install and run from your website to allow your guests to leave messages. PS Guest Book comes with an Admin section so you can control the functionality of your Guest Book. To avoid having your Guestbook spammed, trashed or flamed, PS Guestbook can be set to have messages :
# Immediately Posted, or
# Posted only after you've approved them, or
# Posted only after the Guest has confirmed their e-mail address, and
# Not accepted unless correct CAPTCHA Code is entered