Abstract : As in many MNC‟s Microsoft Office Outlook is used to send emails, email management for DNS used in different organizations either same or different.

It is responsible for sending the mail from either the employees or the clients to the main server which uses the working of (SMTP) Simple mail Transfer Protocol.

The mail then reaches the server and checks whether has to be sent to an address of different DNS or the same. If different then it makes a use of protocols like POP3 or IMAP.

All is managed by Microsoft Outlook in windows and for handling the similar situation in LINUX/UNIX operating systems with the help of a tool known as “Email Service System”.

Email Service system is a lightweight, completely command line based, SMTP email agent. If you have the need to send email from the command line, this tool is perfect.

It was designed to be used in linux, but it is also quite useful in many other contexts. Code is written in Perl and is unique in that it requires no special modules.

It has a very simple interface, making it very easy to use. It can work on linux OS as well as on a Microsoft OS but you may need to put a .pl extension on filename so Windows will know to associate it with perl.

It can be used to send attachments as well as normal mails to multiple users through carbon copies or blind carbon copies as well and hence is easy to manage as well.

Like other mail systems mails are being saved in log files within the system.

Sent and received mails will be in different files. When we create a user then automatically the sent item file will be created and when we receive mail then the inbox file created named as “mbox”.

We can create as many users as we want and also send mail to number of users at the time. In our project we are using keywords like „-t‟ for to ,„-u‟ for subject , „-m‟ for message body and „-a‟ for attachment.

And thus we can send mail using appropriate option in a successful manner. Also we can send mails to different DNS like yahoo if our DNS of our system is registered.

Please find the following attachments"Email service system seminar report/pdf/ppt download" here..........