In part one of this tutorial looked at installing and configuring greylistd alongside Exim to help combat the evils of Spam. In this second part I will look at getting some information out of greylistd — handy if you need to troubleshoot why the CEO’s “urgent” message hasn’t arrived yet!

I’m sure everyone reading this has heard the debate over whether that top dog free operating system should be called “Linux” or “GNU/Linux”, but how big a contribution is GNU or Linux to that operating system?

The number of the current, freshly-released version of the Creative Commons licenses: 3.0. The total number of CC licensed works on the web at last estimate: 145 million. The percent of those that we would call “free”: 29%. The time it takes to double the number of free, Creative Commons licensed works: approximately 115 days.