information technology

Use of Maildir To use the home mail box “Maildir” for that need to edit the postfix configuration file and enter the new line called home_mailbox = Maildir Now to check that is it working send a mail from one user to other user that exists in the system and send mail by using mail command . After that access to the system by that user and check the Maildir directory . It will be created automatically in the home of user .

Postfix To install postfix run this command in the terminal. apt-get install postfix after that add the hostname into Postfix main.cf file. po stconf -e "myhostname=server.example.com" Add two users adduser name adduser name Using telnet command telnet localhost 25 mail from: is a sender rcpt to: is a reciver data: message that we want to send . to end the process quit exit from telnet To check the mail that we have sent. Need to enter into the directory called /var/mail . Here a file will be created automatically by the name of receiver o sender.

To open the Ports follow these steps.. Click on Start button , then click on Administrative Tools , then click on Windows Firewall With Advanced Security Click Inbound Rules > New rule.. Select Port > next Select the rule that you want and then next. TCP 1723 UDP 47 Selecting both Rules has to done separately. Click twice next and this write the name and finish.