Multiple choice technology architecture

Which protocol is not used Incoming Mail Sevice.

  1. POP3

  2. SMTP

  3. IMAP

  4. HTTP
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Incoming Mail Service protocols are POP3 and IMAP, which retrieve emails from a server. SMTP is Simple Mail Transfer Protocol used exclusively for OUTGOING mail transmission, not incoming. HTTP is a web protocol, not a mail protocol at all. Therefore, SMTP is the correct answer as it is not used for incoming mail.

AI explanation

To answer this question, let's go through each option to understand which protocol is not used for Incoming Mail Service:

Option A) POP3 - POP3 (Post Office Protocol version 3) is a protocol used for retrieving emails from a mail server. It is commonly used for incoming mail service.

Option B) SMTP - SMTP (Simple Mail Transfer Protocol) is a protocol used for sending emails from a mail client to a mail server. It is not used for retrieving emails, so it is not typically used for incoming mail service.

Option C) IMAP - IMAP (Internet Message Access Protocol) is a protocol used for accessing and managing emails on a mail server. It is commonly used for incoming mail service.

Option D) HTTP - HTTP (Hypertext Transfer Protocol) is a protocol used for transmitting data over the internet. It is not specifically designed for email services and is not commonly used for incoming mail service.

Based on the explanations above, the correct answer is Option B) SMTP. SMTP is not used for Incoming Mail Service.

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