You should submit a support ticket at
http://www.mtu.com/support/customer-...m#WebEmailForm
That gets to the right person who can do this quickly.
We don't publish an email because we probably won't receive it if you send it. Our "@mtu.com" gets about 200,000 emails a day from all over the Universe because we've been successfully on the Internet since 1996. Every spammer has our emails!