It might work better if you export LAN_IPv6 as [address]. The current $ENV:
expansion is whitespace delimited.
Aki
> On 20/09/2025 16:52 EEST publists--- via dovecot <dovecot@dovecot.org> wrote:
>
>
> Hi,
>
> On Sat, Sep 20, 2025, at 9:13 AM, Aki Tuomi via dovecot wrote:
> > Can you try
> >
> > listen = $ENV:LAN_IPv4 , 127.0.0.1
> >
> > note the space before comma
> >
> > Aki
>
> With
>
> cat dovecot.conf
>
> importEironment {
> E_LAN_IPv4 = %{env:LAN_IPv4}
> E_LAN_IPv6 = %{env:LAN_IPv6}
> }
>
> cat dovecot.env
>
> LAN_IPv4=10.1.1.1
> LAN_IPv6=fd80:10:1::1
>
> cat /etc/systemd/system/dovecot-current.service
>
> EnvironmentFile=/etc/dovecot/dovecot.env
>
>
> This works
>
> listen = 10.1.1.1, 127.0.0.1, [fd80:10:1::1], [::1]
>
> This fails
>
> listen = $ENV:E_LAN_IPv4 , 127.0.0.1, [$ENV:E_LAN_IPv6] , [::1]
>
> This works
>
> listen = $ENV:E_LAN_IPv4 , 127.0.0.1, $ENV:E_LAN_IPv6 , [::1]
>
> This fails
>
> listen = %{env:E_LAN_IPv4} , 127.0.0.1, [%{env:E_LAN_IPv6}] , [::1]
>
> 'works' so far just means that dovecot starts up without complaining.
>
> I didn't yet TEST the listeners.
>
> Dave
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