How can we find the reason for the ban of our Opporty account and ask to have it removed?

We have sent several emails to the appeal address provided in the ban message in our account, and we have not yet received a single reply, even though it has been a couple of weeks.

Is there some way for us to contact Bitcointalk admins to learn the reason for the ban, and to appeal the ban on posting or sending messages on the Bitcoin Forum?

We appreciate any help or guidance you can provide.