WP multisite without access to domain root?

Hi there,

I have a webhosting, where I cannot access the root of the domain. I can only put files into subdomains. Let’s say I have a domain example.com — I can have whatever subdomains like http://www.example.com, another.example.com etc., but I cannot put anything into root domain example.com. This is not possible. Also, there is a simple redirect, that if I access example.com, it automatically redirects access into http://www.example.com.

Unfortunately these conditions are given and I cannot change them.

I would like to run a multisite installation of WordPress on this webhosting, if possible, with domains like en.example.com, de.example.com, fr.example.com etc. (yes, they would be language specific).

I was able to set up single site WordPress on this webhosting no problem. I was also able to set up WP running core files from another subdomain — yes, reaching the subdomain (via root) on file level works.

require( dirname( __FILE__ ) . '/../wordpress/wp-blog-header.php' );

But when I converted this to multisite, then it requires that the individual sites run on subdomains of *.wordpress.example.com — which would be e.g. en.wordpress.example.com; But I need it to run from en.example.com, without “wordpress” in between.

Is it possible to somehow get multisite WordPress working in these conditions? Thanks.