Patent ID: 7457841

Claim:
A method for processing a message for transmission, comprising: determining an include set of recipient entities, wherein said determining said include set of recipient entities includes displaying at least one destination user input field within a graphical user interface window and inputting said include set of recipient entities from said at least one destination user input field; determining an exclude set of recipient entities, wherein said determining said exclude set of recipient entities includes displaying at least one exclude user input field within said graphical user interface window and inputting said exclude set of recipient entities from said at least one exclude user input field; assigning, by a source server system, a difference between said include set of recipient entities and said exclude set of recipient entities to a new include set of recipient entities; transmitting said new include set of recipient entities and said exclude set of recipient entities to a destination server system; determining, by said destination server system, a result of a difference operation between said new include set of recipient entities and said exclude set of recipient entities; and sending, by said destination server system, said message to destinations indicated by those recipient entities within said result of said difference operation between said new include set of recipient entities and said exclude set of recipient entities.