Interfaces for message delivery approaches are disclosed. The interface may include pages for administering accounts for senders, pages for administering message processing systems, and pages for viewing information about senders or message processing systems. In another aspect, automatic alert mechanisms are disclosed. The alert mechanisms send a message to one or more users or machines that have been registered to receive alerts. Alerts may be triggered by any event related to a sender, a message, or a message processing system or may be triggered by any other condition or event. In another aspect, techniques for automatically disabling senders are disclosed. The automatic disabling of a sender may be triggered by any event related to a sender, a message, or a message processing system or may be triggered by any other condition or event.