Sure, just make mtree smarter with ifdefs or perhaps preprocess
it with m4. (personally, ick).

BTW, I use UID/GID 25 for smmsp and 22:22 for ssh.  Easy to remember
by port #.

Quoting Caffeinate The World (mochaexpress@yahoo.com):
> 
> --- Takahiro Kambe <taca@back-street.net> wrote:
> > In message <20030413164527.30431.qmail@web13905.mail.yahoo.com>
> > 	on Sun, 13 Apr 2003 09:45:27 -0700 (PDT),
> > 	Caffeinate The World <mochaexpress@yahoo.com> wrote:
> > > Was user 'smmsp' added recently? I saw these in my daily insecurity
> > src/UPDATING is your friend:
> > 
> > 20020605:
> > 	smmsp user/group has been added for sendmail.
> 
> Hmm.. I don't run sendmail, but qmail. Shouldn't it check to see if the
> system is using sendmail before complaining?