[Zope-dev] Help! Can't unsubscribe!

Help! I'm trying to unsubscribe from this list because it's filling up my mailbox too fast. However, when I try to use the web interface or the e-mail interface to unsubscribe, it gives me an odd error message. It says something to the effect of, "There's something wrong with your account. Please contact the postmaster." Yet I keep getting zope-dev messages. Could somebody tell me how to get off this list? Thanks, T.J.