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This document describes how to install a mail server with Postfix that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I will also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses.

Episode No. 156 with the gentlemen of the Linux reality and Lotta Linux Links Podcasts.

Although most modern laptops nowadays tend to scare people off with an ugly “Designed for Windows XP” mark, it does not mean that alternative operating systems, like GNU/Linux cannot be installed and function equally well. In this article I would like to describe a few common issues with Linux on laptops and maybe bust a few myths about using GNU/Linux on mobile computers.

Nowadays, search engine optimization appears to be the main factor for successful site promotion. At the same time, it seems quite difficult to pin-point efficacy of an SEO strategy. The present SEO software products are not easy to use or cheap. What’s more, they barely fit the optimizer’s needs. Fortunately, today one can take advantage of free software that gives a unique opportunity to get all data required for analysis of search output with one mere click.

Free Software. Bargain chips. The always-on Internet. Today's tech giants are in danger. The Next Big Thing has already begun.

Ken VanDine has announced the release of Foresight Linux 0.9.8, now with the brand new GNOME 2.16: "Still on the path to Foresight Linux 1.0. We want to do some more testing, but what we have is pretty close to what 1.0 will be.

HP today announced that it has refreshed its entire line of HP Integrity servers - adding the most powerful models to date - to drive down the cost of business-critical computing for customers. With more than twice the performance of the previous generation of HP Integrity servers and less than half the price-to-performance ratio of competitive offerings, these new servers reinforce HP’s long-held, IDC-reported position as the No. 1 high-end UNIX system vendor.

The collaborative editorial process of wikis often results in a stunning degree of accuracy. A study by the science journal Nature found Wikipedia nearly as accurate as Encyclopedia Britannica. In fact, for summaries on niche issues and emerging interests, the biggest wiki of them all -- Wikipedia -- is often the best available source of information.

Following our interview last month with Phil Thompson on PyQt, we spoke with the maintainer of PyKDE to discover the status of our own Python bindings. Read on for Jim Bublitz talking about how he was suckered into maintaining PyKDE, why you should use it and what his plans for the future are.

Usage of Eclipse to help build rich, client-side interactive user interfaces has been growing, according to an Evans Data survey.

Spiceworks is adding more IT management features to its free, ad-supported software, for which over 5,000 customers have signed up in about a month's time.

[Not all the news is good. The sad thing is, these businesses could benefit greatly from Free/Open Source Software - no need to depend on adware. - dcparris]

The Plesk version 8.0 is now available on all Avantex Linux servers and all Linux Virtual servers.

Nando's has revamped its ICT infrastructure and restaurant connectivity using Open Source in order to improve productivity. "The [previous] solution was not providing head office with accurate and reliable communications on a regular basis. This would often result in staff having to manually retrieve the missing information from each restaurant," explains Yossi Hasson, sales and marketing director at Synaq.

With Windows Vista, the next scheduled release of Microsoft Windows due in early 2007, Microsoft has rigged Vista to ask permission to perform any "system-altering" event. Each administrative action performed, even with the proper superuser (administrator) permissions, will result in a confirmation dialog.

A very cool XGL demo showing all the "wow" stuff. Its a long video but its worth it.

OpenVPN may seem a little daunting at first, but once you get your feet wet this can be an incredibly useful (and free!) tool. In this article, Michael Riley shows you how to use OpenVPN for secure internet surfing on your client PCs.

I found a nice collection of installation guides on the Linux.org site, there are Russian and Spanish translations as well. - Scott

Matthew Garrett expressed frustration with Debian recently, in a blog post that’s become rather famous. I’m of the opinion that Ubuntu could not exist without Debian. So it’s absolutely my intention to see that Ubuntu is a constructive part of the broader Debian landscape. It’s vital that Ubuntu help to sustain and grow Debian, because it’s the breadth and strength of Debian which make up the “shoulders of greatness” on which we in the Ubuntu community stand when we reach for the stars.

Pacer has SCO's sealed Reply Memorandum in Support of Objections to Order listed now , but it looks like it's staying sealed. A couple of exhibits attached to the document are now available on Pacer, but the Reply Memorandum is sealed, as is the Declaration of Brent O. Hatch.

Just discovered that there has been an update to aerial and satellite photos in Google Maps.