On Tue, 24 Oct 2023, brunoc68 via Exim-users wrote:
> Le 24/10/2023 à 05:30, Jasen Betts via Exim-users a écrit :
>> On 2023-10-19, brunoc68 via Exim-users <exim-users@???> wrote:
>>> Dear all,
>>>
>>> In my organization I must configure Exim to add a disclaimer for every
>>> outgoing email, both text and html.
>>>
>>> Please do not argue that this should not be done blablabla... I have to
>>> do this for administrative reasons, too long to explain and off topic.
>> I am doing something similar, and am not seeing widespread DKIM
>> refusals. I have not used altermime.
>>
>> Be aware that exim filter wants line endings as \n not as \r\n
>>
>> I suggest wrapping the filter in a script and have the script save
>> before and after versions of the filtered email (eg: use tee),
>> and then check those for basic validity, especially line endings.
>>
> Dear Jasen,
>
> The altermime filter does the job well with Exim, as long as I do not use
> DKIM. So I do not think the issue is there.
I se that you have set dmarc to do 'strict' checking; if you changed
to relaxed checking with
adkim=r
the line endings that Jasen mentioned would be ignored:
# host -t txt _dmarc.abcreseau.com
_dmarc.abcreseau.com descriptive text
"v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:postmaster@abcreseau.com "
--
Andrew C. Aitchison Kendal, UK
andrew@???
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