You would probably have a better response if
A. You posted the server you are on
OR (And probably the preferred method)
B. Go to the official forums, find your server forums and post this in there
You can also try the traders channel on your server or the crafting channel.
To add world channels to your chat window, right click the window and click on options. This will open up a box with all of the channels available to you. There will be names like Level 30_39, Good_Crafting, etc. Pick the ones you want to join and you will see information pop up in the chat window. It will say "You have now joined Level 30_39 (1)." The (1) represents the channel number. In order to say something in that channel type /1 [your message].
I know that wasn't what you were looking for, but it can't hurt to have that information.