Website error pages are perhaps one of the most overlooked pieces of a fully rounded website. Not only are they important but they give you the opportunity to have a little fun. Although many web developers rely on server logs to keep an eye out for hits on error pages, I’m going to take a different approach by using a PHP generated email. In addition, we will spice up the design a bit, add basic navigation and link to the website sitemap.

Continue reading at http://net.tutsplus.com/tutorials/php/404403-website-error-pages-with-php-auto-mailer/