Damon
Check my status to contact me :)
I really doubt they use TFS, they were fully capable of creating a new client, new map editor and sprites, why would they still use someone else engine... anad btw TFS itself does not infringe any Tibia copyright, only client stuff and "Tibia" name is copyrighted and tfs doesn't have any of it
If you do find this to be fake (as I suspect you will), inform them that impersonating a corporation - especially for financial gain - is illegal, and seize all further contact.
My guess is that OVH will suspend the server regardless, since they believe it is a rightful claim and no DMCA counter notice has been issued by Fortera yet?! Don't be mistaken, rightfully or not. OVH and many other hosts will stick to those deadlines.