First, this hosting doesn't allow htaccess unless I pay. Then, I had to use the Disable Canonical URL Redirection plugin because I couldn't access the main page of the site. Now I'm using (practically must) WP without www. subdomain, but I would like that "feature" back =P
If I activate your plugin, www. will work, but I can't put the full address in the General Options... ( ./wp-admin/options-general.php ), so while the site works with www., the whole site has no www. links.
Any comment appreciated.