On 02/12/2022 16:54, Victor Sudakov via Exim-users wrote:
> I have an exim 4.95 installation sending DKIM-signed mails to two
> other exim servers. On one of the receiving servers (FreeBSD,exim-4.95_5),
> I see that the DKIM check is successful:
>
> Authentication-Results: XXXXXX;
> iprev=pass (www.library.tomsk.ru) smtp.remote-ip=95.170.141.50;
> spf=pass smtp.mailfrom=library.tomsk.ru;
> dkim=pass header.d=library.tomsk.ru header.s=20221203 header.a=rsa-sha256
>
> On the other receiving server (Debian, exim4 4.94.2-7), the very same
> mail (sent simultaneously to two recipients on XXXXXX and YYYYYY) is
> reported as having an unsuccessful DKIM check:
>
> Authentication-Results: YYYYYY;
> iprev=pass (www.library.tomsk.ru) smtp.remote-ip=95.170.141.50;
> dkim=fail (body hash mismatch; body probably modified in transit)
> header.d=library.tomsk.ru header.s=20221203 header.a=rsa-sha256
Is this consistent for all messages sent to the pair of hosts?
Or only occasional?
What libraries do 'exim -d -bV' report for each host?
--
Cheers,
Jeremy
