1. Apparatus comprising: a communication interface configured to communicate with a message delivery system and adapted to cause, via the message delivery system, a given event-specific message to be sent to a corresponding list of recipients; a trigger interface configured to receive an indication that a given event has occurred and to trigger sending of the given event-specific message; storage device encoded subscriber-originated recipient list data representing the corresponding list of recipients, where the corresponding list of recipients originated from inputs by event subscribers; and a display including a user interface configured to display and receive input from, via a computer screen display, plural sets of screen-displayed destination setting selection indicators for individually configuring sets of destination settings for corresponding event types, each set of destination settings corresponding to a corresponding one of plural selectable event types selectable for causing corresponding triggered messages to be sent including sending the given event-specific message to the corresponding list of recipients, where individual ones of the selectable event types for a given user have corresponding differently configurable sets of destination settings, whereby the given user's selected destination settings for one selected event type cause one event-specific message to be sent to one device of the given user and the given user's selected destination settings for another selected event type cause another event-specific message to be sent to another device of the given user that is different than the one device.