On Fri, Oct 23, 2015 at 03:45:25PM -0400, Alex wrote:

> I see for the postconf(5) entry for reject_rhsbl_client is:
> 
> reject_rhsbl_client rbl_domain=d.d.d.d

That "=d.d.d.d" is your choice of optional filter on the RBL's
reply.

> In my smtpd_recipient_restrictions I'm doing the following:
> 
>         reject_rhsbl_reverse_client mykey.dbl.dq.spamhaus.net,
>         reject_rhsbl_sender mykey.dbl.dq.spamhaus.net,
>         reject_rhsbl_helo mykey.dbl.dq.spamhaus.net
>
> without the "d.d.d.d".

You're not specifying an optional filter.  Therefore, your lookup
keys are just the RBL domains with no "=d.d.d.d".

> Does the "d.d.d.d" represent the A record of the response code from
> the DBL? Or the A record of the IP of which we are checking?

Neither.

> I don't understand how to map the restricts to their entry in the
> rbl_reply_maps file.

Copy the verbatim <string> in "reject_...bl_... <string>" as the
lookup key.

-- 
        Viktor.

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