def authenticateUserPASS(self, user, password):
        user, domain = self.lookupDomain(user)
        try:
            portal = self.service.lookupPortal(domain)
        except __HOLE__:
            return defer.fail(cred.error.UnauthorizedLogin())
        else:
            return portal.login(
                cred.credentials.UsernamePassword(user, password),
                None,
                pop3.IMailbox
            )
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/mail/protocols.py/VirtualPOP3.authenticateUserPASS