'Create an ESMTP instance attached to a StringTransport.'

def setUp(self):

    self.server = smtp.ESMTP({'LOGIN': LOGINCredentials})
    self.server.host = 'localhost'
    self.transport = StringTransport(peerAddress=address.IPv4Address('TCP', '127.0.0.1', 12345))
    self.server.makeConnection(self.transport)
