Mailing System Dataflow Diagram

Posted By namita on July 6, 2017

Mailing System Data flow diagram is often used as a preliminary step to create an overview of the Mailing without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Mailing process. It contains all of the userflow and their entities such all the flow of Mailbox name, Domain name, Userdata, Subject, Message data, Mailserver Address, Login. All of the below diagrams has been used for the visualization of data processing and structured design of the Mailing process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Mailing System :

This is the Zero Level DFD of Mailing System, where we have eloborated the high level process of Mailing . It’s a basic overview of the whole Mailing System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Message data,Mailserver Address and Login showing the system as a single high-level process, with its relationship to external entities of Mailbox name,Domain name and Userdata. It should be easily understood by a wide audience, including Mailbox name,Userdata and Message data In zero leve DFD of Mailing System, we have described the high level flow of the Mailing system.

High Level Entities and proccess flow of Mailing System:

  • Managing all the Mailbox name
  • Managing all the Domain name
  • Managing all the Userdata
  • Managing all the Subject
  • Managing all the Message data
  • Managing all the Mailserver Address
  • Managing all the Login
Zero Level Data flow Diagram(0 Level DFD) of Mailing System

First Level Data flow Diagram(1st Level DFD) of Mailing System :

First Level DFD (1st Level) of Mailing System shows how the system is divided into sub-systems (processes), each of which deals with one or more of the data flows to or from an external agent, and which together provide all of the functionality of the Mailing System system as a whole. It also identifies internal data stores of Login, Mailserver Address, Message data, Subject, Userdata that must be present in order for the Mailing system to do its job, and shows the flow of data between the various parts of Mailbox name, Userdata, Mailserver Address, Login, Message data of the system. DFD Level 1 provides a more detailed breakout of pieces of the 1st level DFD. You will highlight the main functionalities of Mailing .

Main entities and output of First Level DFD (1st Level DFD):

  • Processing Mailbox name records and generate report of all Mailbox name
  • Processing Domain name records and generate report of all Domain name
  • Processing Userdata records and generate report of all Userdata
  • Processing Subject records and generate report of all Subject
  • Processing Message data records and generate report of all Message data
  • Processing Mailserver Address records and generate report of all Mailserver Address
  • Processing Login records and generate report of all Login
First Level Data flow Diagram(1st Level DFD) of Mailing System

Second Level Data flow Diagram(2nd Level DFD) of Mailing System :

DFD Level 2 then goes one step deeper into parts of Level 1 of Mailing . It may require more functionalities of Mailing to reach the necessary level of detail about the Mailing functioning. First Level DFD (1st Level) of Mailing System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Login, Mailserver Address, Message data, Subject, Userdata, Domain name, Mailbox name.

Low level functionalities of Mailing System

  • Admin logins to the system and manage all the functionalities of Mailing System
  • Admin can add, edit, delete and view the records of Mailbox name, Userdata, Message data, Login
  • Admin can manage all the details of Domain name, Subject, Mailserver Address
  • Admin can also generate reports of Mailbox name, Domain name, Userdata, Subject, Message data, Mailserver Address
  • Admin can search the details of Domain name, Message data, Mailserver Address
  • Admin can apply different level of filters on report of Mailbox name, Subject, Message data
  • Admin can tracks the detailed information of Domain name, Userdata, Subject, , Message data
Second Level Data flow Diagram(2nd Level DFD) of Mailing System
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