install_postfix_advanced.sh: change ownership on psotgrey socket directory.

install_postfix_advanced.sh

@@ -571,6 +571,25 @@ EOF
       fi
    fi
 
+   echononl "   Set ownership on directory '${postgrey_socket_dir}'.."
+   chown -R postgrey:postgrey ${postgrey_socket_dir} 2> $tmp_err_msg
+   if [[ $? -eq 0 ]] ; then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat $tmp_err_msg)"
+
+      echononl "\tcontinue anyway [yes/no]: "
+      read OK
+      OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+      while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+         echononl "Wrong entry! - repeat [yes/nno]: "
+         read OK
+      done
+      [[ $OK = "yes" ]] || fatal "Abbruch durch User"
+   fi
+
+
    echononl "   Enable Postgrey service at boot time.."
    if $systemd_exists ; then
       systemctl enable networking >/dev/null 2> $tmp_err_msg