You can most likely reach us at #nBounce (quakenet) or #dynbox (freenode).
And probably not so much at support@dynbox.eu.
Pretty sure the address doesn't exist (yet).
Update: We've actually created this email address now. So feel free to mail it.

Almost definitely sure that you can reach us at support@nbounce.com.

But don't send spam. We don't need help getting an erection. I mean, it happens sometimes. But that's normal.