You're not being blocked, don't worry. You wouldn't be able to post if you were being blocked. The forum software gets a lot of bugs and messes up sometimes. It will eventually get working.
You might try e-mailing Chris or Private Messaging him. I don't think we've ever blocked anyone from the site before. And if we did, I'm sure I would know about it. So there's probably just a glitch or something that can be fixed (or is being fixed at the moment)>
Well that error and being blocked are completely different things.
That error was cause today when my hosting company accidentally changed the DNS on the forum server.
Basically - it was sending the forums.studentfilms.com web address to the wrong server - hence the "not found" error.
Now being blocked and not being able to post is a different thing. I did have to block a couple of IP addresses during a little "fiasco" a couple months back.
I'll check your IP and see about removing it from the banned IPs. It may have been banned because someone who also uses your ISP was banned.