I have successfully downloaded all of the files and libraries necessary for compiling and making the Courier Mail Server version 1.0.6. I have also downloaded most of the Sox files as well. I am attempting to build the above-mentioned mail server in my Oracle VM VirtualBox Debian version 9.8 ( stretch ) Linux virtual machine. As soon as I finished downloading the above-mentioned Sox files, I typed in the following commands from my Linux command prompt: # ./configure at which time that command appeared to run correctly. Then I typed: # make -s again, at which time that command appeared to run correctly. Then I typed: # make install ( after having su’d to my root account ). This command also appeared to run correctly. Then, I changed directories ( from `russell@debian:~/Dowloads/courier-18.104.22.16890203/courier-22.214.171.12490203/sox-14.4.2/sox-14.4.2` to `russell@debian:~/Downloads/courier-126.96.36.19990203/courier-188.8.131.5290203` ) using the `cd` command. Keep in mind that I typed in the following command at my Debian version 9.8 ( stretch ) Linux prompt before typing the above-mentioned Linux commands: # MAKEFLAGS = “-j 4.” This command was entered from my “sh” shell ( the default shell on my system is the Borne Again Shell ( bash )). Whatever the case may be, I typed in the following Linux command: # ./configure after changing directories ( as mentioned above ), and that command appeared to run correctly. Then, I typed the following Linux command: # make and received the following error message: “No targets specified and no makefile found. Stop.” What have I done wrong? I was disappointed to get this far in the process my first time without being completely successful. What do I need to do?