@property
    def emails(self):
        return self._filter_contact(self.email_prefix)
Manager has method to return active keys only.
dataset/ETHPy150Open letsencrypt/letsencrypt/acme/acme/messages.py/Registration.emails--crossover with--dataset/ETHPy150Open mozilla/moztrap/tests/model/core/models/test_apikey.py/ApiKeyTest.test_active