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Which of the following TCP/IP protocol is used for transferring e-mail messages from one machine to another
A
FTP
B
SNMP
C
SMTP
D
RPC

aman p, one year ago

Grade:12

2 Answers

Vikas TU

14149 Points

one year ago

Dear student

SMTP TCP/IP protocol is used for transferring e-mail messages from one machine to another.

Most of the internet systems use SMTP as a method to transfer mail from one user to another. SMTP is a push protocol and is used to send the mail whereas POP (post office protocol) or IMAP (internet message access protocol) are used to retrieve those mails at the receiver's side. SMTP is an application layer protocol.

In addition, the Internet Assigned Numbers Authority has allocated port 25 for both TCP and UDP for use by SMTP. In practice however, most if not all organizations and applications only choose to implement the TCP protocol. For example, in Microsoft's port listing port 25 is only listed for TCP and not UDP.

Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (email) transmission. First defined by RFC 821 in 1982, it was updated in 2008 with Extended SMTP additions by RFC 5321, which is the protocol in widespread use today. ... SMTP communication between mail servers uses TCP port 25.

SMTP is part of the application layer of the TCP/IP protocol. Using a process called "store and forward," SMTP moves your email on and across networks. It works closely with something called the Mail Transfer Agent (MTA) to send your communication to the right computer and email inbox.