Email

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

Network

Virus Checker

Server

Receiver

Connect to network Connect to mail server

account pswd

Download mail

show mailbox

Check with virus checker Manage e mail

delete mail

Prepare mail & check for virus Send mail

Ask for destination ip Get destination ip Send to receiver

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