Please read the wiki:
http://dkn255hz262ypmii.onion/wiki/index.php?title=Vendor_roundtable
The Vendor roundtable is a private message board on the Silk Road forum (http://dkn255hz262ypmii.onion) for vendors to discuss issues in private. To qualify for access to the board, you must meet the following requirements:
You must have received a bond refund (http://dkn255hz262ypmii.onion/wiki/index.php?title=Seller%27s_Guide#Bond).
Your forum username must be identical to your vendor username
You must keep a link to your vendor page in your forum signature
When you've met these criteria, message one of the forum administrators and they will give you access.