In general if you set up the cronjobs to redirect stdout and stderr to
a file then typically there is nothing to email.

Often if you have only a few systems this is easier to use.

On Thu, May 7, 2020 at 8:29 AM Robert Moskowitz <r...@htt-consult.com> wrote:
>
>
>
> On 5/7/20 7:48 AM, Robert Moskowitz wrote:
> >
> >
> > On 5/6/20 11:34 PM, Cameron Simpson wrote:
> >> On 07May2020 13:19, Cameron Simpson <c...@cskk.id.au> wrote:
> >>> On 06May2020 20:20, Robert Moskowitz <r...@htt-consult.com> wrote:
> >>>> I am reading up on esmtp which comes with the base install and
> >>>> seemingly no mta needed?
> >>>>
> >>>> Anyway
> >>>> https://linux.die.net/man/5/esmtprc
> >>>>
> >>>> shows how to config for sending an email via esmtp to an mta, but
> >>>> not just local delivery...
> >>>
> >>> The bottom of that manual entry describes the "mta" setting, and
> >>> says that esmtp relies on a local MTA for local delivery (addresses
> >>> without an "@"). So you'll need something additional anyway. May as
> >>> well go straight to a proper MTA.
> >>
> >> And then, to my chagrin, I reread and see it provides example "mta"
> >> values like:
> >>
> >>    /usr/bin/procmail -d %T
> >>
> >> So you may be good there.
> >
> > Would first have to install procmail for this.
> >
> > It would be interesting to find a 'simple' python script to grab the
> > cron output and 'make' an email and appended to the spool/mail
>
> I am finding things about python and email that is leading me down many
> roads.
>
> First is how does CRON even send emails?  The MAILTO option triggers
> where to send email, but what is the how?  What is CRON using to grab
> its output and stuff that into what emailer program?
>
> My digging is that CRON needs some email server installed, like postfix,
> before it will send emails of its stdout.  But where is this controlled
> so I can change it?
>
> thanks
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