Hi,
So looking at this, and Andy's email with what he sees, it looks like
his British Gas emails are coming from a different place to yours. His
are coming from SalesForce, and yours are coming from Mail Jet, so I
don't think we can draw much from that.
I think the next thing to look at is maybe this is an SSL issue, so I
found thse:
https://github.com/openssl/openssl/issues/8010
https://portal.microfocus.com/s/article/KM000015515?language=en_US
That would indicate a possible issue within some Intel Goldmont
processors, and can be fixed with telling OpenSSL not to use the
hardware for this
Maybe that is worth looking in to.
Regards,
Marco
On 12/01/2024 18:28, Henrik Morsing via GLLUG wrote:
On Fri, Jan 12, 2024 at 04:20:34PM +0000, Marco van Beek via GLLUG wrote:
Hi,
I suggest grepping your logs for "2F7612233E" as that should pull up
all the the info related to that email from the point Postfix accepts
the connection until it closes, and see if that tells you some more.
Regards,
Marco
Hi Marco,
This is what I see:
Dec 22 12:37:12 emil postfix/smtpd[3996527]: 2F7612233E:
client=o94.p12.mailjet.com[87.253.237.94]
Dec 22 12:37:12 emil postfix/cleanup[3996586]: 2F7612233E:
message-id=<296f63a1.caaabphwdncaaaaaaaaaakg7asyaaycquv4aaaaaabbdggblh...@mailjet.com>
Dec 22 12:37:12 emil opendkim[768]: 2F7612233E: o94.p12.mailjet.com
[87.253.237.94] not internal
Dec 22 12:37:12 emil opendkim[768]: 2F7612233E: not authenticated
Dec 22 12:37:12 emil opendkim[768]: 2F7612233E: s=mailjet
d=britishgas.co.uk a=rsa-sha256 SSL error:04091068:rsa
routines:int_rsa_verify:bad signature
Dec 22 12:37:12 emil opendkim[768]: 2F7612233E: bad signature data
Dec 22 12:37:13 emil opendmarc[3858740]: 2F7612233E: britishgas.co.uk
fail
Dec 22 12:37:13 emil postfix/cleanup[3996586]: 2F7612233E:
milter-reject: END-OF-MESSAGE from o94.p12.mailjet.com[87.253.237.94]:
5.7.1 rejected by DMARC policy for britishgas.co.uk;
from=<296f63a1.caaabphwdncaaaaaaaaaakg7asyaaycquv4aaaaaabbdggblh...@a1065858.bnc3.mailjet.com>
to=<mors...@morsing.cc> proto=ESMTP helo=<o94.p12.mailjet.com>
Regards,
Henrik Morsing
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