(package
    (name "postfix")
    (version "3.10.8")
    (homepage "https://www.postfix.org/")
    (dependencies libdb m4)
    (src (tar
        (url "https://ftp.fu-berlin.de/unix/mail/postfix/official/postfix-3.10.8.tar.gz")
        (dir "postfix-3.10.8")
        (blake3 "c6bddf0bfbf0a2164f0f9ab9018f4922ebc67ef4cc55bd21014d7852ddf9417d")))
    (build
        (shell "groupadd postfix || true")
        (shell "groupadd postdrop || true")
        (shell "useradd -g postfix -s /bin/false -d /no/where postfix || true")
        (shell "make makefiles CCARGS=-DNO_NIS")
        (make
            (install_flags "install_root=/ non_interactive=yes config_directory=/etc/postfix daemon_directory=/usr/libexec/postfix command_directory=/usr/sbin queue_directory=/var/spool/postfix data_directory=/var/lib/postfix"))))