electronic mail - computer networks
TRANSCRIPT
Electronic MailComputer Networks
Prepared By:-Rishabh RJ
Electronic Mail
One of the most popular Internet services is electronic mail (e-mail).
The designers of the Internet probably never imagined the popularity of this application program.
Its architecture consists of several components that we discuss in next slides.
Topics to be discussed• User Agent• Architecture• E-mail address
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User Agent
Some examples of GUI-based user agents are Eudora, Outlook, and Netscape.
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Architecture
We will study four scenarios in Electronic mail Be attentive and have a look
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First Scenario in E-mailWhen the sender and the receiver of an e-mail are
on the same system,we need only two user agents.
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Second Scenario in E-mailWhen the sender and the receiver of an e-mail
are on different systems, we need two UAs and a pair of
MTAs (client and server).E-mail in Computer Networks By Rishabh RJ
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Third Scenario in E-mailWhen the sender is connected to the mail server
via a LAN or a WAN,we need two UAs and two pairs of MTAs (client and
server).E-mail in Computer Networks By Rishabh RJ
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Fourth Scenario in E-mailWhen both sender and receiver are
connected to the mail server via a LAN or a WAN,
we need two UAs, two pairs of MTAs and a pair of MAAs.
This is the most common situation today.
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E-mail Address
This is the building of your email address
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I will love to answer your questionsAny Questions?Thank you
Mr. RishabhSchool of Engineering and TechnologyShoolini UniversityVillage Bajhol, Solan (H.P)
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