Websites reply to server test page
Use this (or a variation) when replying to email, such as sent to email@example.com, where the complaint is due to a Fedora-branded Apache test page.
"The Fedora Project does not have anything to do with the website you are having problems with. You are probably seeing the Fedora server test page: https://fedoraproject.org/wiki/Server_Test_Page Directly contact the owner or the Internet service provider (ISP) of the server you are having problems with. This can be done with a Whois lookup: http://whois.net Good luck."