 [Computer and Information Sciences] 
n., Messages, documents, etc., sent between users of computer systems, the computer systems being used to transp
ort and hold the e-mail. [Sciences] 
n., A means for an originator of information to distribute information to an unlimited number of recipients via a val
ue added
network service which mimics the functions of the paper postal services. [Arts] 
n., Messages automatically passed from one computer user to another, often through computer networks and/or via mode