A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as

A machine that connects to two or more electronic mail systems and tra

1.	A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as
A.	Gateways
B.	mail gateway
C.	bridges
D.	User Agent
E.	None of the above
Answer» C. bridges

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A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as

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