On Wed, 29 Dec 2010 16:22:33 +0530
Girish Venkatachalam <[email protected]> wrote:
> Dear folks,
>
> OpenBSD's spamd is a network level spam filter and consequently we
> need the MX records to point to spamd
> before it hits our mail server thereby achieving bandwidth protection
> as well as spam protection.
>
> This is really fantastic.
>
> Now the issue is this.
>
> Since MX records do not understand TCP port numbers, we cannot have
> different MX records point to different
> SMTP servers on the same IP address.
>
> The reason this is a problem is that assume that I have to run
> spamd(8) against 100 domains. Do I need to have
> 100 different IP addresses in my cloud?
>
> I hope the question makes sense. Sorry for sounding confusing.
don't see the problem,
setup your mx records for all your zones to something like:
IN MX 10 mail
mail IN A 192.168.0.1
then make spamd listen on the address, and you're done.
--
With best regards,
Gregory Edigarov