You can also contact the thread owner of this thread https://bitcointalk.org/index.php?topic=1000025.0
And I think both who posted in that thread are staff of coinpayments.net

And I think they didn't ignore your post maybe there are many complaints by their customers that is why they are still not response to your ticket.
There are many threads here that they said they scammed by coinpayments and I think they already solve the issue.