CNT5605 - 2016 Summer
Journal submission due on Blackboard by midnight Thursday, July 21.

Assignment: Source code installation


Install from source the latest experimental version of Postfix 3.2.

Assignment Details

Go to, and choose the "Download (source)" from the tab on the left. Choose a mirror, and find the source code download area for the latest experimental version of postfix:

Untar the file, and follow the instructions in "INSTALL" to compile and install the source code.

Test the server by using telnet localhost 25 to deliver mail to your local account.

Submit your journal on Blackboard by midnight on July 21.

2016-07-18: Please note that you may have an existing SMTP daemon already running, such as sendmail or exim; you will have to of course stop this daemon in order to run your new postfix daemon. (The easiest thing to do is probably just do an apt-get remove to get it out of your way.)

Also, if it is not clear how to test using telnet to do local delivery, a sample session would look like:

$ telnet localhost 25
Connected to localhost.
Escape character is '^]'.
220 langley.localdomain ESMTP Postfix
helo langley.localdomain
250 langley.localdomain
mail from: 
250 2.1.0 Ok
rcpt to: 
250 2.1.5 Ok
354 End data with .
Subject: test email

This is a test

250 2.0.0 Ok: queued as C09991825D1
221 2.0.0 Bye
Connection closed by foreign host.
$ tail -20 /var/spool/mail/langley

From langley@localdomain  Mon Jul 18 11:19:08 2016
X-Original-To: langley@localdomain
Delivered-To: langley@localdomain
Received: from langley.localdomain (localhost [])
	by langley.localdomain (Postfix) with SMTP id C09991825D1
	for ; Mon, 18 Jul 2016 11:18:31 -0400 (EDT)
Subject: test email
Message-Id: <20160718151851.C09991825D1@langley.localdomain>
Date: Mon, 18 Jul 2016 11:18:31 -0400 (EDT)
From: langley@localdomain

This is a test

$ date
Mon Jul 18 11:19:25 EDT 2016