On 21/08/2023 11:21, Jeremy Harris via Exim-users wrote:
> On 21/08/2023 05:08, Jasen Betts via Exim-users wrote:
>> On 2023-08-20, Jeremy Harris via Exim-users <exim-users@???> wrote:
>>
>>> I could guess that "-" might be viable, by analogy with
>>> the "rua" line coding, but that's not really sufficient.
>>> The RFC standard for DMARC doesn't mention ARC. Is there
>>> one somewhere?
>>
>> RFC8617 (experimental)
>>
>> https://datatracker.ietf.org/doc/html/rfc8617
>
> Ah, thanks. Section 7.2.2 there looks relevant.
> Interesting that it only suggests the IP as required on ARC set 1.
6d9b05ae272c has a go at implementing this.
Results from testing with the OpenDmarc toolchain would be appreciated.
--
Cheers,
Jeremy
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