Override to allow specification of the maildir

def get_optparser(self):
        """Override to allow specification of the maildir"""
        p = Cmdln.get_optparser(self)
        p.add_option(
            "-M",
            "--maildir",
            action="store",
            dest="maildir"
            )
        p.add_option(
            "-V",
            "--verbose",
            action="store_true",
            dest="verbose"
            )
        return p