Re: [exim4] Testing and making sense of smtp output
On Mon 20 Oct 2014 at 21:19:05 +0200, lee wrote:
> Brian <ad44@cityscape.co.uk> writes:
>
> > [I may be misunderstanding how your mail system works but your Date:
> > header doesn't look right]
> >
> >
> > On Sun 19 Oct 2014 at 00:53:44 +0200, lee wrote:
> >
> >> Brian <ad44@cityscape.co.uk> writes:
> >>
> >> > On Fri 17 Oct 2014 at 03:15:49 +0200, lee wrote:
> >> >
> >> >> There is no mentioning of /etc/mailname here. Perhaps that's an
> >> >> ideosyncrasy of the automatic configuration.
> >> >
> >> > No. It's because there is no connection between /etc/mailname and
> >> > primary_hostname.
> >>
> >> Then how does it happen that Debian manages to configure exim in such a
> >> way that the contents of /etc/mailname are being used instead of the
> >> hostname? Is that another option exim has, and if so, how's it called?
> >
> > The contents of mailname are not used for the HELO.
> >
> > If /etc/mailname exists exim will not touch it when it is installed. If
> > it does not exist it makes the assumption that canonical_hostname in the
> > hosts file is correct and uses that as the mailname. The installation is
> > at priority low or medium (I forget which) and no questions are asked.
> >
> > Suppose the hosts file has
> >
> > 127.0.1.1 debian.lan debian
>
> You mean it will rewrite <user@debian.lan> to <user@example.com> when
> /etc/mailname is set to 'example.com'?
No. It will rewrite user to user@example.com. If the envelope To is set
to user@debian.lan it will not be touched.
> > primary_hostname is used as the HELO but Debian doesn't set it.
>
> That's what I said?
You may have done. I was trying to say there is nowhere in the Debian
configuration where primary_hostname as such could be specified.
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