Thanks Wietse, I’ll start looking in those areas. I can see that allowing commands would be a problem.
Robert > On 5 Jul 2016, at 12:16, Wietse Venema <wie...@porcupine.org> wrote: > > postmas...@quantum-radio.net: >> This is the problem line that can't be put in anything but the >> standard /etc/aliases file. Or the majordomo.aliases file. >> >> majordomo: "|/path/to/majordomo/wrapper majordomo" > > With Postfix, command execution requires that you use the local(8) > delivery agent (alias_maps or .forward file) or the pipe(8) daemon. > > Allowing commands elsewhere would introduce a vulnerability that > was exploited by the Internet worm from 1998. > > Wietse