These are the steps to get your site verified by Mcafee and I hop it will help sombody.
1. Create an account going to http://www.siteadvisor.com
2. Goto http://www.siteadvisor.com/sites/(your website)
3. It will ask for ownership and will ask you to download a file to your domain. Just right click and choose save as to upload the verification file
4. Upload it to your website directory
Also you can list website while trying out their software so for 15 days its will display site safe for everyone who visits your website and till your
website is verified.