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E-mail is a
client-server protocol that allows the exchange of messages and attachments in various
formats. An e-mail client is a software application which seamlessly handles
all the technical communications tasks to connect to and find the e-mail at the
server, download the e-mail messages, organizes them and presents them to the
user in a usable format. An e-mail client also provides the means to compose
new messages, reply to and forward received messages, and to organize the
messages for later review.
E-mail clients
use POP3 or IMAP instead of SMTP. SMTP is used strictly between mail servers.
POP3 :- Post Office
Protocol version 3 (POP3) is a standard mail protocol used to receive emails
from a remote server to a local email client. POP3 allows you to download email
messages on your local computer and read them even when you are offline.
IMAP:- The Internet
Message Access Protocol (IMAP) is a mail protocol used for accessing email on a
remote web server from a local client. IMAP and POP3 are the two most commonly
used Internet mail protocols for retrieving emails. Both protocols are
supported by all modern email clients and web servers.
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