I feel many people in here don't actually read the entire post. It mentions several times that there is a VCS. It even gives a link: https://github.com/vdukhovn

I feel many people in here don't actually read the entire post. It mentions several times that there is a VCS. It even gives a link: https://github.com/vdukhovni/postfix https://github.com/vdukhovni/postfix