Second, the second bullet under the Relay category appears to address scenarios where a number of delivery failures occur within a specified time period. A Customer is required by the terms of the Provider/Customer agreement to provide an accurate e-mail address where he/she can be contacted. Certainly we can all agree that the Customer's  failure to do so cannot be attributed to a third-party. The Customer is in the best position to know his or her contact information and to notify the Provider if there were any changes to it. The Customer also is or must be responsible for ensuring that he/she is contactable at the email address he/she provided. So costs to attempt to reach the Customer via a "further form of notice" due to repeated delivery failure should not be attributed to a Requestor, but to the Customer.  The provision should therefore specify that any reasonable fee accrued by the Provider as a result of having to use an alternative method to contact the Customer in the event of a persistent delivery failure is to be borne by the Customer. 

Additionally, it is our understanding that a failure of the Customer to provide the Provider an accurate e-mail address would violate the terms of the Provider/Customer agreement, which is a ground for the Provider to terminate the Service. In the alternative to passing the "further form of notice" fee on to the Customer, the Provider could exercise the option to terminate the Service.

Just some initial thoughts. Looking forward to hearing your views.

Best,