(computer science) a process of earth-vast Digital interaction by which a computer consumer can compose a information at a person terminal that may be regenerated on the receiver's terminal if the receiver logs in; "You can not mail offers by Digital mail"××™× ×¡×˜×’×¨× ×ž× ×¡×” ×œ×”×™×œ×—× ×‘×ª×�