TL;DR: should all VMs
- have postfix installed and running
- have the alias root -> admin-auto(a)o.o
- have a common /etc/postfix/main.cf (or at least some specific options
I noticed that 15 of our VMs don't have postfix installed. This seems to
affect the "newer" servers (created with 42.3 and 15.x JeOS). The older
VMs have postfix installed, even if they were upgraded in the meantime.
My guess is that this is caused by a change in the patterns so that JeOS
no longer includes postfix.
Now the question is - should we have postfix running everywhere?
I'd say yes because it's for example needed to let cron send out mails.
On a related note - only 16 VMs forward root mails to admin-auto(a)o.o -
IMHO that's also something all VMs should do.
And finally, we'll need to set the relayhost (relay.i.o.o) in main.cf
everywhere  
Of course there are some obvious exceptions from "all servers" - anna
and elsa _are_ relay.i.o.o and therefore shouldn't get the relayhost
Does the above sound like a good idea? If so, I'll prepare a MR to do
this with salt.
(Just in case - if nobody answers within a week, I'll also do it ;-)
BTW: If you are interested in the raw data behind this mail, you can
find the main.cf of all servers in ~cboltz/postfix-configs/ on
 Maybe we should even deploy a common main.cf to all servers, but a
quick comparison of the main.cf files we have shows that they all
differ, so coming up with a common main.cf might be interesting[tm].
(besides anna and elsa, baloo will probably also have to keep its
 On the positive side, all servers (except anna and elsa) that
currently have postfix installed also have the relayhost set -
probably because that was done in the JeOS config.sh script.
"Oh my god, nobody has improved the shape of the wheel since 100 years.
Let's abandon all wheels immediately, they cannot possibly work
anymore!!!" [Stefan Seyfried in opensuse-factory]
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