Howdy
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On 5 Oct 2018, at 19:11, Kamil Jońca via Exim-users <exim-users@???> wrote:
> After discussion on systemd list we have conclusions:
> (https://lists.debian.org/debian-user/2018/10/msg00054.html
> and thread
> https://lists.freedesktop.org/archives/systemd-devel/2018-September/041395.html
> )
>
> 1. exim forks and creates background process to deliver mail
> 2. systemd, after main process exits, kill all remaining proceses, so
> ...
> 3. background exim process are killed during delivery, and message remains in
> queue.
…how often do you run the queue?
It doesn’t address the scenario you raise, but if you’re running it frequently enough then the death of a delivery subprocess from within systemd shouldn’t matter one jot.
That said: setting KillMode=none seems like an easy fix to me.
Graeme