This is about one of the big file sharing websites that currently has 30+ links to my original content. I sent them an official DMCA, they replied to make a registration on their website and use their own form in order to submit the links.
I already sent them an official DMCA, are they allowed to do this?
Furthermore, they rejected my registration twice, because the email doesn't match to some domain.
Is that legal too? I thought they are required to remove the links when they are officially notified my a DMCA.