Victor Ustugov via Exim-users wrote on 21.08.2023 2:56:
> Jeremy Harris via Exim-users wrote on 21.08.2023 2:33:
>> On 20/08/2023 23:45, Victor Ustugov via Exim-users wrote:
>>> I do not know what values should be specified if the email does not
>>> contains an ARC signature.
>>
>> Perhaps
>> arc 11 (ARES_RESULT_UNKNOWN)
>> arc_policy 1 json:[] (DMARC_ARC_POLICY_RESULT_UNUSED)
>>
>> guessing from the names.
>
> This was my first guess. But when sending a DMARC Aggregate Report,
> these values are interpreted in the same way as ARES_RESULT_FAIL and
> DMARC_ARC_POLICY_RESULT_FAIL.
>
> Here is the relevant snippet of the report:
>
>
> <reason>
> <type>local_policy</type>
> <comment>arc=fail</comment>
> </reason>
Jeremy, this is relevant piece of code from opendmarc-reports:
switch ($arc)
{
case 1 { $arcstr = "pass"; }
else { $arcstr = "fail"; }
}
switch ($arcpolicy)
{
case 0 { $arcpolicystr = "pass"; }
else { $arcpolicystr = "fail"; }
}
So, "arc" can only have two values - 1 ("pass") or any other ("fail").
And "arc_policy" can only have two values - 0 ("pass") or any other
("fail").
>> I wonder if there's a scheme for that JSON anywhere. I can guess at
>> i, d and s - but what value for ip?
>
> In my opinion, "ip" matches smtp.remote-ip from
> ARC-Authentication-Results. header.
>
>
>> And is ip required in all "i"
>> entries,
>
> I think yes.
>
>
>> only one of them (which?), or fully optional?
--
Best wishes Victor Ustugov
mailto:victor@corvax.kiev.ua
public GnuPG/PGP key:
https://victor.corvax.kiev.ua/corvax.asc
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