Is there a site that will do a reverse email search and give results for free?

I know a software call Email Search Crawler.As follow is a brief introduction in the homepage:


Email Search Crawler is a quick and efficient tool that searches the Internet or your computer for E-mail addresses to enable create mass Email lists. It can find both targeted and untargeted emails, from specific countries and Web sites that you specify. It's easy to use and has the ability to extract emails from a file on your computer, or by getting sites from a search engine, or by spidering a list of URL's which you give it.





http://www.godsw.com/products/emailsearc鈥?/a>


|||No. Email database companies are sitting on a virtual goldmine and will keep their methods highly secure. Without proper knowledge of how to break into one of there systems through a back door, there is no way to get free results from any site like this.