Antipixel | Blog | Spam Assassin * In step 2 of the instructions, it says to open your ~/.cpan/build directory. Although the installation of CPAN did create the .cpan directory, it also created a CPAN one. This in turn contained another .cpan and it was inside this .cpan that I found the build directory. If things aren’t excatly where the instructions suggest they’ll be, don’t worry. Hunt around a little, find what you need, and everything will still work just fine.