Patent ID: 7921171

Claim:
A system comprising: at least one processor and a computer readable storage medium, said computer readable storage medium having program code stored thereon for, when executed by said processor, processing a message for transmission, said program code comprising: program code for 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; program code for 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; program code for 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; program code for transmitting said new include set of recipient entities and said exclude set of recipient entities to a destination server system; program code for 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 program code for 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.