Will Yardley wrote:
>
> Michael Tokarev wrote:
> > Will Yardley wrote:
>
> > > does postfix try to guess what subnet you're in by looking at your
> > > netmask and make that the default 'mynetworks'?
>
> > Yes, current postfix version might look into your interface
> > configuration to "guess" mynetworks. Read about mynetworks_style
> > parameter -- by default it is `subnet', other values are `host' and
> > `class' (read sample-smtpd.cf and sample-misc.cf files).
>
> ahh this makes sense. the trouble is that i'd like to build it without
> postfix doing this, as i'm making a homemade debian package for internal
> use which will be distributed to various servers. since they're in
> totally different netblocks, this is obviously not desirable. while i
> could just make the default main.cf set $mynetworks to 127.0.0.1 i'd
> prefer to compile it without the networks (or any other machine specific
> settings) as default.

Not quite shure what you're asking about or trying to do. Postfix's
(now default) mynetwork_style=subnet is a "magic entry" -- with it,
there are usually no other tweaks needed, postfix will adopt itself
on any given host. Well, *usually*, but not always. If you want
to have some other *dynamic* (i.e. based on host) settings, you can
configure that into your dpkg post-install scripts (using postconf -e).

Regards,
 Michael.
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