CGI Mojo mail list management program modification

Hi, i need to modify the program 'mojo mail' that i have installed on my server (available as an attached file in this post). I need that instead of sending every email to the list as to: emailadress it sends them to: undisclosed recipients one by one as it does now, i only dont want to reveal which email am sending them to. that's all. Installation instructions on the zip file as [login to view URL] in /mojo folder