boolean isAnyEmailSent() {
            return results.stream().anyMatch(EmailCommunicationResult::isSuccess);
        }
This is {@link CasSimpleMultifactorSendEmail}.

@author Misagh Moayyed
@since 7.0.0
support/cas-server-support-simple-mfa-core/src/main/java/org/apereo/cas/mfa/simple/web/flow/CasSimpleMultifactorSendEmail.java