[exim] Re: dmarc_history_file - incomplete data logged for s…

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Συντάκτης: Victor Ustugov
Ημερομηνία:  
Προς: Jeremy Harris via Exim-users
Αντικείμενο: [exim] Re: dmarc_history_file - incomplete data logged for spf and dkim
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>


> 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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