Page 82 - Computing E-Book Grade 6

The City School 2021-2022

SMTP

Simple Mail Transfer Protocol (SMTP) is an Internet
standard for electronic mail (e-mail) transmission

across Internet Protocol (IP) networks. SMTP is specified
for outgoing mail transport and uses TCP port 25.
SMTP

POP3

In computing, the Post Office Protocol
server
(POP) is an Internet standard protocol

used by local e-mail clients to retrieve
e-mail from a remote server over an
client
Internet connection. POP and Internet
Message Access Protocol or IMAP are

the two most prevalent Internet standard
protocols for e-mail retrieval. Virtually

all modern e-mail clients and servers
client
support both.

The POP3 protocol has been developed through several versions, with version 3 (POP3)
being the current standard. It uses TCP port 110.

3.6. Wiki

A wiki is a database of pages which people can edit/modify

while connected on the Internet. The building blocks of wikis
are the comments from visitors. It is website or database W

developed collaboratively by a community of users, allowing
any user to add and edit content.

One can generally edit a page in real time, search the wiki’s
content, and view updates since the last visit. Each wiki has

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