Mapping Customer's Domain/Subdomain to my site
there: depends highly on your software stack that you're using to handle requests.for starters you'll need to define a wildcard in your domain so that *.mysite.com all resolves to the same ip.then you may have to configure your web server with the same wildcard, then once it trickles down to your application, you'll probably have to look at the SERVER_NAME variable passed by the web server.