Rbldns for text and data

Denny Watson watson@spamhaus.org
Thu Jan 10 16:47:13 CET 2019

On 1/8/19 11:41 AM, Alessandro Vesely via dev wrote:
> Hi all,
> I'm using rbldnsd to serve dnswl data cached locally.  My mail server has been
> using that since 2013.  Sometimes last year it stopped working.  I found out
> that the server software (Courier-MTA) updated DNSBL lookups to stop use
> ANY.[*]  The option was to query A or ANY, now A or TXT.  Switching to A made
> filters work as before.  However, sometimes I miss the TXT record.  Is there a
> way to push both records after a TXT query?

I am not sure that I understand your question;

You want to return TXT records when querying for A records?  If this is
the case, I would believe that your MTA wouldn't handle them as you
would expect, as the MTA asked for A and the DNS server responded with
TXT.  Had it asked for ANY, it would know how to handle (or at least
look for things that it could handle) in the response.

If you want to use values that are returned via TXT records, it would be
best for the MTA to ask for these.

More information about the dev mailing list