Email

Published on July 2016 | Categories: Documents | Downloads: 73 | Comments: 0 | Views: 401
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Use Cases for Computer E Mail System
Presented by Ayan Ganguly Roll - MT/CS/45053/11

Computer E Mail System

Get e mail

Send e mail
Virus Checker

Manage e mail
User

Set options
Server

Maintain address list

Actors
User : A person who is the focus of services Server : A computer that communicates with the mail system and is the intermediate source and destination of email messages. Virus checker : Software that protects against damage by a malicious user

Use Cases
Get email

:

Retrieve email from the server and display it for the user. Send email :

Take a message that was composed by the user and send it to the server

Use Cases
• Manage email : Perform tasks such as deleting email, managing folders, and moving email between folders. • Set options :

Do miscellaneous things to tailor preferences to the user’s liking. • Maintain address list : Keep a list of email addresses that are important to the user.

Sender Connect to network

Network

Virus Checker

Server

Receiver

Connect to mail server Download mail Check with virus checker Manage e mail Prepare mail & check for virus Send mail

account pswd show mailbox

delete mail

Ask for destination ip Get destination ip Send to receiver

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