Very good, that is how I was thinking it would work...just wanted to
double check.

On Sun, 3 Mar 2002 16:15:03 -0500, you wrote:

>A short time ago, at a computer terminal not so far away, imlinterconnect.net wrote:
>>mail-abuse.org has two forms of subscription.
>>
>>querymode and zone transfer.
>>
>>In query mode the mail server basically queries rbl.mail-abuse.org and
>>does the lookup. In zone transfer mode a local dns server does a zone
>>transfer of rbl.mail-abuse.org so the zone is actually on a local dns
>>server. In postfix it doesn't seem to make a distinction on where it
>>points...I stress "seem"...I could be missing it. I want to be sure
>>postfix is using the local dns server and not going out to
>>mail-abuse.org's server to try to query it.
>
>This is my understanding:
>
>If you have a local DNS server doing zone transfers of mail-abuse.org, then
>you have to make sure your postfix machine uses that local DNS server for
>lookups - ie, that you have the local DNS server specified in resolv.conf
>or whatnot.
>
>The local DNS server is that case is just acting like a caching nameserver,
>except that it happens to have the entire zone cached immediately. You
>have to tell your postfix machine to check that DNS server first;
>otherwise, the lookup will go to whatever DNS servers are listed in the SOA
>record for mail-abuse.org, and your machine is likely not one of those.

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