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Date: Wed, 2 Apr 2008 18:23:17 +0100
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Subject: Re: [6.3] How are those daemons started?
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On Mon, 31 Mar 2008 23:00:39 +0200
Mel <fbsd.questions@rachie.is-a-geek.net> wrote:

> On Monday 31 March 2008 22:27:55 Gilles wrote:
> > On Mon, 31 Mar 2008 15:06:20 -0500, Erik Osterholm
> >
> > <freebsd-lists-erik@erikosterholm.org> wrote:
> > >Also note /etc/defaults/rc.conf which is /why/ these services
> > >are on by default.  Entries in /etc/rc.conf override entries in
> > >/etc/defaults/rc.conf, so you should never change
> > >/etc/defaults/rc.conf.
> >
> > Thanks guys. After reading /etc/defaults/rc.conf, I understood that
> > the reason there's sendmail listening on TCP25 is so that local
> > daemons can send e-mail to the admin.
> 
> Somewhat. Most daemons can do fine without the socket listener and 
> invoke /usr/sbin/sendmail by default. Only ones that can't get 
> to /usr/sbin/sendmail (i.e.: chrooted daemons), but in my experience
> they don't know how to talk SMTP either.

As I understand it, modern versions of /usr/sbin/sendmail are just a
frontend to the socket, so that they don't need to run setuid.