On Thu, Sep 05, 2024 at 11:49:35AM +0530, Burn Zero wrote:
> Thank you Viktor. So I assume reloading postfix frequently (on a busy
> server) will not affect the email delivery.
Actually, it would be quite bad, because one of the internal services that
will restart each time will be the queue manager, and on a busy server,
that's can have an adverse impact.
You SHOULD NOT need to do either restart or reload "frequently". If
you want near real-time data sources use SQL or similar, but even
better to have a fairly stable configuration.
> It is required for our setup. We have many internal devices(100's) that
> needs to send email.
Don't list each device directly in "mynetworks". List CIDR blocks, and
if you need really fine-grained submission access control, you probably
want SASL creds or TLS client certs (whichever is supported on the
"devices").
Of course you can set:
mynetworks = pgsql:${config_directory}/mynetworks.cf
and define a suitable table that's updated as needed. But keep in mind
that SQL is not CIDR, so the lookup keys will be the full addresses not,
address/mask forms.
--
Viktor.
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