Mail servers communicate with each other by using ________.
A)POP
B)HTTP
C)RFC 2822
D)SMTP

Question

Quizplus · Accepted Answer

SMTP (Simple Mail Transfer Protocol) is the standard protocol used for sending and receiving emails between mail servers. POP (Post Office Protocol) is used by email clients to download emails from a mail server. HTTP (Hypertext Transfer Protocol) is used for web browsing. RFC 2822 is a technical document that defines the format for email messages, but it is not actually used for communication between mail servers.

Mail Servers Communicate with Each Other by Using ________