public SubjectContainsToEmailRule(IEmailAddressValidator emailAddressValidator)
        {
            Check.If(emailAddressValidator).IsNotNull();

            _emailAddressValidator = emailAddressValidator;
        }
        public ForwardingRuleFactory(IEmailAddressValidator emailAddressValidator)
        {
            Check.If(emailAddressValidator).IsNotNull();

            _emailAddressValidator = emailAddressValidator;
        }