On 15 Feb 2021, at 13:43, Alessandro Vesely via mailop wrote:
Is it that requiring people to install a DNSBL-specific plugin earns
Spamhaus something?
I doubt that is a consideration.
One of the chronic hard problems of DNSBL management is that users tend
to 'set and forget' even when they've done something wrong. Spamhaus and
others have tried various ways to get mis-querying users' attention and
the best solution any DNSBL has so far found has been special result
values.
RFC8914 EDE would obviously be a more rational and orderly approach, but
as a practical matter it doesn't really exist. As far as I can find, the
only way for anyone to support it right now is to deploy experimental
implementations: an alpha version of PowerDNS and a patch on an OpenBSD
mailing list for dig(1) which has not been integrated by ISC. It's not
in any OS stub resolver or any real release of any authoritative or
recursive DNS server or even any standalone query tool, other than the
aforementioned build-it-yourself dig patch.
--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
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