I’m going to assume that what you mean by
point anothersite.com to site1.com
is that you want to redirect site1.com to anothersite.com?
Whether this is the case or not you’ll need to free up the site1.com index with is being controlled by wordpress. You can do this by making the front page of the initial blog (“\”) in the wordpress admin panel to a wordpress page theme file in your theme directory with something like <?php header('location:anothersite.com');?>.
I might have totally misunderstood you here, but I just came across your question randomly via googling for my own multisite issues. lol good luck.
I’m looking into creating a LCARS wordpress theme I’ll keep you posted via this thread.
