Welcome to Piratefish.org
In late 2005, frustrated with the volume of spam I was receiving, I built and documented how to create an anti-spam server using free open-source software. The intention was to perform similarly to the anti-spam products that Barracuda was selling at the time, but also to boost Linux adoption through instruction on basic command-line techniques in the OS. It received a number of updates over the years, however, I stopped maintaining it in 2011 – takes a lot of re-writes to keep up with Linux.
Since the Internet was good to me early on, I’ll be good to the Internet and share the book freely.