@Override
        public java.util.List<jakarta.mail.Address> getSavedCcList() {
            return java.util.Collections.emptyList();
        }

        @Override
        public OptionalThing<String> getLastServerResponse() {
            return OptionalThing.of("Mock response");
        }

        @Override
        public OptionalThing<Integer> getLastReturnCode() {
            return OptionalThing.of(200);
        }