You have to use the contact form in the control panel. If you're not the customer that owns the account, or you haven't been given access to that area, then support wouldn't be dealing with you anyway.
If support happens to see it here, they might fix on their own... but you basically need to be a customer to get customer support.
Michael seems to be the most active DH employee on this forum, so you could try contacting him with a link to the site.
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