It's not a 40x error, it's 302 ("Moved Temporarily"), and it's not that Smartt is sending a cookie but rather that you're sending www.xxxxporntalk.com for referrer logging.

Run the RefControl extension under FireFox and block referrer logging to paginas.terra.com.br and it plays fine.
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"If they can't picture me with a knife, forcing them to strip in an alley, I don't want any part of it. It's humiliating." - windsock