def lookupDomain(self, user):
        try:
            user, domain = user.split(self.domainSpecifier, 1)
        except __HOLE__:
            domain = ''
        if domain not in self.service.domains:
             raise pop3.POP3Error("no such domain %s" % domain)
        return user, domain
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/mail/protocols.py/VirtualPOP3.lookupDomain