Machine name: localhost

Eamonn Sullivan eamonn.sullivan at
Sat Sep 9 18:05:44 UTC 2006

On 9/9/06, David Abrahams <dave at> wrote:
> "Eamonn Sullivan" <eamonn.sullivan at> writes:
> >
> > localhost is a standard name.
> Sure.
> > You want it in there.
> Hmm, not so sure about that.  Whatever is sticking it on every line of
> /var/log/syslog, at least, expects to find a more useful name I'm
> sure.  Every machine is localhost to itself.  I'm pretty sure those
> syslogs are supposed to identify the machine usefully.
> > What are you using
> > to send the email? It looks like (from above) that you're using emacs,
> > is that correct?
> Gnus/emacs.  And I have used it successfully it to send through that
> server for years (from NTEmacs, i.e. on a windoze box).  I never see
> localhost in my mail headers sent from that machine, even when mail
> comes back to me for whatever reason.

Well, nonetheless, my /var/log/syslog has mostly "localhost" in it,
too, and I can send email from emacs without any problems. Below is
the headers from a test message from Rmail to my google account.
There's a localhost or two in there, but it was accepted. Perhaps
there's a configuration option in Windows  that you need to also make
on emacs on Linux?

X-Gmail-Received: 071e2b111e287a2fe69918c76c247a0084a6913b
Delivered-To: eamonn.sullivan at
Received: by with SMTP id n18cs29078aga;
        Sat, 9 Sep 2006 10:50:20 -0700 (PDT)
Received: by with SMTP id 4mr5774144nfn;
        Sat, 09 Sep 2006 10:50:20 -0700 (PDT)
Return-Path: <eamonn.sullivan at>
Received: from
( [])
        by with ESMTP id z73si8660938nfb.2006.;
        Sat, 09 Sep 2006 10:50:20 -0700 (PDT)
Received-SPF: neutral ( is neither permitted
nor denied by domain of eamonn.sullivan at
Received: from [] (helo=localhost)
	by with esmtp (Exim 4.52)
	id 1GM6yC-0007Rc-7Q
	for eamonn.sullivan at; Sat, 09 Sep 2006 18:50:20 +0100
Received: from esullivan by localhost with local (Exim 4.60)
	(envelope-from <eamonn.sullivan at>)
	id 1GM6yC-0002a9-0p
	for eamonn.sullivan at; Sat, 09 Sep 2006 18:50:20 +0100
To: eamonn.sullivan at
Subject: test
Message-Id: <E1GM6yC-0002a9-0p at localhost>
From: Eamonn Sullivan <eamonn.sullivan at>
Date: Sat, 09 Sep 2006 18:50:20 +0100

This is a test message.


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