On Wed, Dec 09, 2020 at 04:55:13AM -0700, @lbutlr wrote: > On 09 Dec 2020, at 03:00, Chris Green <c...@isbd.net> wrote: > > On Wed, Dec 09, 2020 at 02:33:37AM -0700, @lbutlr wrote: > >> On 08 Dec 2020, at 13:04, Chris Green <ch...@isbd.co.uk> wrote: > >>> On Tue, Dec 08, 2020 at 12:39:07PM -0700, @lbutlr wrote: > >>>> On 08 Dec 2020, at 10:56, Chris Green <c...@isbd.net> wrote: > >>>>> While I can look through the E-Mail header to see where the message > >>>>> has come from it would be good if I could somehow configure things so > >>>>> that the headers I normally see (From:, To: and Subject:) include > >>>>> something that indicates where the message is from. > >>>> > >>>> I would configure root to be an alias to root+machineID. > >>>> > >>> So how do I do that? > >> > >> Edit the .../postfix/aliases file and then run postalias on the file. > >> > > Ah, no, it never gets that far, I have:- > > > > luser_relay = m...@mydomain.co.uk > > local_recipient_maps = > > Hmm. Might have to edit the /etc/aliases and run newalaises then. > > But changing the name in /etc/password seems cleaner. > Yes, it seems to work OK, so that's what I'm doing for the moment.
> > There are no local recipients, that's the whole point. These messages > > will always be errors/warnings from daemons or cron processes on > > (mostly) headless systems that I want to see so I'm sending them off > > to myself. > > Right, but cron and daemon emails do not need or use a postfix install > by default, so the question would be does the sendmail process or ssmtp > read the /etc/alaises? I THINK it does, but it's been a long time since > I needed to do this. > There is no 'default' sendmail installed on ubuntu or raspbian systems, thus errors from anacron/cron go nowhere, that's the original issue that I was addressing. While I could install ssmtp, for me it's no easier than Postfix. The required main.cf to make it work is very simple and is identical on all these systems. -- Chris Green
