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In the previous article, I looked at some pre-greeting tests that Postfix performs to help identify spam; now I’ll move on through the chain and explore the available post-salutation tests.

Title: Upcoming Webinar on Getting Linux Certified - Tips, Tactics, and Practical Advice26 MayLearn more

Score one for the Chocolate Factory as jury buys fair use defense Breaking Google has won the latest round in its battle with Oracle over software copyright.…

The LAMP Stack is a collection of open source software installed together on the Linux operating system to get your website and web application running on it. In this tutorial, I will guide you trough the steps to install the LAMP Stack with OpenSUSE Leap 42.1 as the Linux operating system.

A new tree sprouts on android.googlesource.com Android might just be coming to the Raspberry Pi.…

The Rochester Institute of Technology (RIT) is well-known for its work in open source software through FOSS@MAGIC. In April 2014, RIT started to offer a minor in free and open source software. Students work on several different open source projects in their GitHub organization. read more

CAD—Computer aided design, or computer aided drafting, depending on who you ask—is technology created to make it easier to create specifications for real-world objects. Whether the object you're building is a house, car, bridge, or spaceship, chances are it got its start in a CAD program of one type or another. Among the best-known CAD programs is AutoDesk's AutoCAD, but there are many others out there, both proprietary and open source alike. So how do the open source alternatives to AutoCAD stack up? The answer depends on how you plan to be using them. read more

Redmond assumes closing nagware dialog means 'yes', says that's by design Microsoft is hurt and disappointed that people would think it was trying to “trick” them with a confusing Windows 10 upgrade dialog that scheduled an upgrade without users explicitly agreeing to do so.…

The shift toward open software defined networking (SDN) means more elements of networking hardware are now controlled by software. With increasing frequency, that software is open. read more

Nate Bensing tells us how he built an environmental control system to keep seven poison dart frogs cosy

Marketing as we know it has changed dramatically, especially in the B2B world. I bet you're not surprised to hear me say that. I'm not the first to say it, and I certainly won't be the last. Observing changes to companies' methods for engaging their customers is the easy part. What's harder is understanding the nature of those changes and what they mean for you and your marketing teams. read more

Mentorel’s BeagleBone uSomIQ, the first Beagleboard.org sanctioned COM version of the BeagleBone Black SBC, is also available with a BoneCape carrier board. Hong Kong based Mentorel’s recently introduced BeagleBone uSomIQ computer-on-module, which was previously known as the uSomIQ BBB, has been added to BeagleBoard.org’s list of BeagleBone Black compatible products.

Diaspora is a distributed social networking platform comprised of nodes, called pods. These pods are linked together to allow users to connect seamlessly. This idea is different from the traditional social network, where user data is centralized and controlled by a single entity. diaspora is also free as in speech, so you can use it however you like. diaspora* also values your privacy.

RasPi.TV has Kickstartered a $12 “RasPiO Analog Zero” Raspberry Pi add-on board the size of an Raspberry Pi Zero. It offers eight 10-bit analog inputs.

Security expert Paul Vixie said that, for now, IPv6 offers no benefits to early adopters but he did suggest that updating to IPv6 is a matter of good Internet citizenship in almost the same way a person should look for a trash bin rather than throwing litter on the street.

As Lee Cheng explained in his keynote speech at the Collaboration Summit held March 29-31 in Lake Tahoe, California, fighting patent trolls as part of his job at Newegg Inc. is a natural progression from his earliest legal involvement in civil rights advocacy.

Just the other day, I was speaking with a friend who is a mechanical engineer. He works on computer assisted braking systems for semi trucks and mentioned that his company has Arduinos all over the office. The idea is to encourage people to quickly experiment with new ideas. He also mentioned that Arduinos are more expensive than printed circuits. I was surprised by his comment about price, because coming from the software side of things, my perceptions of Arduinos was that they cost less than designing a specialized circuit. read more

There are many reasons you may want a local Red Hat Enterprise Linux repository. Bandwidth is a major factor as downloading updates from the Internet can be time and bandwidth consuming. Whatever your reason, this tutorial will walk you through the process of getting your local repository setup.

Great graphics, but how is Solus OS under the hood?

The month of October this year will be Open Source Hardware Month with the Open Source Hardware Association (OSHWA)! Open source hardware is hardware whose design is made publicly available so that anyone can study, modify, distribute, make, and sell the design or hardware based on that design. The hardware's source is the design from which it is made, and it is available in the preferred format for making modifications to it. read more