Bug#854475: postfix: systemd needs postfix at .service to have "After=network.target"

[Michael Biebl]

Am 14.05.2017 um 17:02 schrieb Michael Biebl:
> - debian/postfix.postinst: drop the postfix.service.d/override.conf and
> make sure to remove that conffile on upgrades

Seems due to some C&P failure I duplicated this point. I wanted to
clarify that postfix.service.d/override.conf is not actually a conffile,
as it's generated dynamically.

As for my reasons to not generate this configuration dynamically:
- It's less opaque. I was puzzled for a moment where this drop-in was
coming from

- It makes it easier to override postfix at .service. Atm you e.g. don't
respect if the admin removed that drop-in deliberately and you always
recreate it.

- It's more robust in case of local modifications which don't use
dpkg-reconfigure.

- The penalty of pulling in network-online.target is simply that for the
local case postfix is started a bit later then necessary during boot.

- The behaviour is more consistent with the old SysV init script which
had Required-Start: $network (The $network LSB facility translates to
network-online.target)

Michael

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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