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PRESENTED BY:
DANIYAL KHAN
ADEEL AWAN
SYED NASIR ALI
WHAT IS AN E-MAIL?
Email is a short form of
Electronic mail.
It is defined as
Transmission of
messages over
communication
networks.
WHAT IS AN E-MAIL
SYSTEM?
It is similar to the traditional
mail system with post boxes,
post offices, envelopes and
addresses. The difference is
that here messages are sent
electronically to other
computer users via Internet.
One can send
computer
documents, graphics,
software or anything
else that can be
turned into a digital
form attached to an
email message.
Message needs to be
converted into a digital form
and forwarded to a computer
that acts as a mail server or
post office.
Basic Parts of the E-mail
System
 Clients software
 Message store
 Message transport
 Management System
 Gateways
Client Software
Client software is a user interface that
allows users to read and send messages.
It shows the list of all of the messages
in mailbox by displaying the message
headers that shows who sent the mail,
the subject of the mail and may also
show the time and date of the message
and the message size.
Message Store
A Message Store can exist in more than
one place at the same time. Its best to
keep all email in one main Message
Store on the server.
Message Transport
Message
Transport Agents
(MTAs) are
software systems
that keep moving
messages along
to the intended
destination.
Management System
Management software is used to create
user mailboxes, to maintain address
lists and routing information, and to
monitor message traffic.
Gateways
Gateways are needed only if a message
must be translated in order to travel
from a private email system to another,
or to the public Internet mail system.
E-mail System

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E-mail System

  • 1. PRESENTED BY: DANIYAL KHAN ADEEL AWAN SYED NASIR ALI
  • 2. WHAT IS AN E-MAIL?
  • 3. Email is a short form of Electronic mail. It is defined as Transmission of messages over communication networks.
  • 4. WHAT IS AN E-MAIL SYSTEM?
  • 5. It is similar to the traditional mail system with post boxes, post offices, envelopes and addresses. The difference is that here messages are sent electronically to other computer users via Internet.
  • 6. One can send computer documents, graphics, software or anything else that can be turned into a digital form attached to an email message.
  • 7. Message needs to be converted into a digital form and forwarded to a computer that acts as a mail server or post office.
  • 8. Basic Parts of the E-mail System  Clients software  Message store  Message transport  Management System  Gateways
  • 9. Client Software Client software is a user interface that allows users to read and send messages. It shows the list of all of the messages in mailbox by displaying the message headers that shows who sent the mail, the subject of the mail and may also show the time and date of the message and the message size.
  • 10.
  • 11. Message Store A Message Store can exist in more than one place at the same time. Its best to keep all email in one main Message Store on the server.
  • 12. Message Transport Message Transport Agents (MTAs) are software systems that keep moving messages along to the intended destination.
  • 13. Management System Management software is used to create user mailboxes, to maintain address lists and routing information, and to monitor message traffic.
  • 14. Gateways Gateways are needed only if a message must be translated in order to travel from a private email system to another, or to the public Internet mail system.