On Fri, 9 Nov 2007, Woodchuck wrote:
> Since my fascist ISP blocks port 25 traffic (why they do this is
> hazy), I have to use his lame relay to send mail. The easy way to
> do this is to use:
> define(`SMART_HOST', `mail.isp.com')dnl
> in the appropriate myhost.mc file.
>
> Fine, that works. But I also have a local RFC1918 LAN, and if
> SMART_HOST is all I do, even mail to hosts on the local LAN are
> sent to the SMART_HOST; the SMART_HOST, of course, eventually
> bounces those mails as undeliverable, since the local domain
> is not in global DNS.
>
> All mail is smtp.
>
> So how can I alter my .mc file or hack the .cf file to *not*
> forward mail for a discrete list of hosts or a whole domain?
>
> This would seem to be a very common situation. Any LAN
> that needs to use a SMART_HOST to communicate outside itself
> has this situation.
>
> Any pointers would be appreciated, I can't find this situation
> in the several places I've already looked. THis seems like
> something that a "mailertable" might handle, but I can't
> get any traction in understanding those.
>
> Dave
Well of course, silly woodchuck, just add these lines in your
xxxxxxx.mc file after the "define(`SMART_HOST'...) stuff:
LOCAL_NET_CONFIG
R$* < @ $* .$m. > $* $#smtp $@ $2.$m. $: $1 < @ $2.$m. > $3
Heh. ^^^^ Use a tab there, not spaces.
Dave's Better Half
--
You don't have to be a woodchuck to eat cabbage.
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