ACtE05 · Chapter 5Networks & Security🏛️ Past Licensure QuestionID: 63865954
What is the protocol used to send e-mails?
What is the protocol used to send e-mails?
Multiple Choice Options
- A
POP3
- B
IMAP
- C✓ Correct Option
SMTP
- D
FTP
Detailed Technical Solution & Explanation
SMTP (Simple Mail Transfer Protocol) is the push protocol used to send and relay email messages across the Internet (from client to server and server to server). In contrast, POP3 and IMAP are pull protocols used exclusively to fetch/receive emails from a mail server.
Option Analysis:
•
Option A (POP3): Incorrect. Post Office Protocol version 3 is a retrieval protocol used by email clients to download and receive mail from a remote server.
•
Option B (IMAP): Incorrect. Internet Message Access Protocol is a retrieval protocol that allows clients to access and manage email stored on a remote server.
•
Option C (SMTP): Correct. Simple Mail Transfer Protocol is the universal standard protocol used to transmit/send outgoing email.
•
Option D (FTP): Incorrect. File Transfer Protocol is used for transferring binary/text files, not email routing.
Reference: Demo2 · Set 2NEC Licensure Syllabus