c/E-mail agents

Information
has gloss	eng: An e-mail agent is a program that is part of the e-mail infrastructure, from composition by sender, to transfer across the network, to viewing by recipient. The best-known are mail user agents (MUAs, aka, e-mail clients) and mail transfer agents (MTAs, programs that transfer e-mail between clients), but finer divisions exist.
lexicalization	eng: E-mail agents
lexicalization	eng: E-mail agent
subclass of	(noun) an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents" agent
has instance	e/Mail User Agent
has instance	e/Mail retrieval agent
has instance	e/Mail submission agent