A few months ago I may have become a little abusive towards fellow posters and the moderators on the Guardian's Comment is Free section. I may have called the mods traitorous Nazi halfwit scum, whose jobs will be the first to go when newspapers will, inevitably, have to downsize. I also might have threatened to come looking for for them with a mob when the glorious revolution begins. Now, I can log into the Guardian site, but I am unable to post. In fact, as soon as I log in, I'm logged out again immediately. I've tried to register a new account with a different email address, but to no avail. It seems, alas, that I'm a marked man in GrauniadLand. My question is, as my IP address is not fixed, how are the Nazis at the Guardian managing to block my attempts to register/log in? Would it be anything to do with my pc's MAC address, or could it be another issue (cookies deleted regularly). Cheers.