On the server site, what is the de facto standard for transfer-ring e-mail between post office servers across the Internet?
A) IMAP
B) POP
C) S-MIME
D) SMTP

Question

Quizplus · Accepted Answer

SMTP (Simple Mail Transfer Protocol) is the de facto standard for transferring email between servers on the Internet. It is used for sending emails, whereas protocols like IMAP and POP are used for retrieving emails from a server to a client. S-MIME is related to secure email but is not a protocol for transferring email between servers.

On the Server Site, What Is the De Facto Standard