SMTP

SMTP stands for (Simple Mail Trnsfer Protocol). It is a communication oriented protocol by ASCII for electronic mail. i.e e-mail transmission

SMTP was first defined in 1982 by RFC 5821 to EXTENDED SMTP.
It uses process called store & process moving across the network.
Basic SMTP commands are :
HELLO:- Initiate a conversation with mail server.
MAIL:- Initiate who is sending the e-mail.
QUIT:- Indicates conversation is over.

MIME

This is the extended format of e-mail messages to support text in character-sets other than ASCII as-well-as attach audio, video, images,& OPP programs with the usage of RFC 822 format.
MIME defines 5 new versions:

MIME-version.
content-description.
content-id.
content-transfer.
content-type.

SMPT & MIME!

MIME