The ________ accepts the message submitted by a message user agent and enforces the policies of the hosting domain and the requirements of Internet standards.
A) mail submission agent
B) message user agent
C) mail delivery agent
D) message transfer agent

Question

Quizplus · Accepted Answer

The mail submission agent (MSA) accepts messages from a message user agent (MUA, essentially an email client) and enforces the policies of the hosting domain and the requirements of Internet standards, acting as a mediator between the MUA and the mail transfer agent (MTA).

The ________ Accepts the Message Submitted by a Message User