Is your firefly library available from the internet?
If that is the case I could try to debug it from here. Seems a little wired.
Unfortunately did the Admin disable private messaging on the board. But you can contact me on [email protected] if that would be a solution for you?
But one more test before that we do that. Did you place the clientaccesspolicy.xml file in the root of your webapp.
In linux you might have to rename that to lowercase as it’s case sensitive.