[rbldnsd] Exclusion Range

[Bryan Hughes]

Michael Tokarev wrote:
> ...
>
> But may I ask please, WHY do you need such exclusions
> in the first place?
>
> >From what I can guess, you're probably excluding your
> own networks (incl. 10/8 etc private ranges), so that
> your own network will not depend on various blacklists.
>
> But this is done differently.
>
> Don't QUERY a dnsbl for hosts inside your network ranges.
> F.e. your dnsbl server may be down for any reason (eg, a
> dnsbl you download does not work and gave invalid data,
> rbldnsd refused to load it and hence returns SERVFAIL to
> all queries, or the like), but your LOCAL mail should
> still be flowing regardless.
>   
Ah, I hadn't thought of this. In addition to the point about our own 
networks,
we have a several friendly networks (other institutions) that we want to 
exclude.
I'll monkey with postfix to do this,  thanks.

-- 
Bryan Hughes
NMTCC Sr. Unix Systems Programmer