Re: [mailop] Getting a bounce from one of my mailing lists & I can't determine where it's coming from

Sat, 18 Oct 2025 01:43:01 -0700 

Hi Ken,

Please reply to <Postmaster@ {mx.internal <mailto:[email protected]>}>
if you feel this message to be in error.

The original message has been removed from the bounce message.
Reporting-MTA: dns; altprdfep009. {mx.internal}
Arrival-Date: Thu, 9 Oct 2025 08:02:03 -0400
Received-From-MTA: dns; altprdrgi011.altice.prod.cloud.openwave.ai <http://altprdrgi011.altice.prod.cloud.openwave.ai> ( {10.33.66.227}) 
Content-Transfer-Encoding: 7bit
…
Diagnostic-Code: smtp; 550 5.7.1 Spam detected by content scanner. Message 
rejected

{mx.internal} = none existent domain
{10.33.66.227} = private IP address, not the IP from altprdrgi011.altice.prod.cloud.openwave.ai. 

No wonder it's considered spam.

Regards
Rainer Daeschler

Attachment: smime.p7s
Description: Kryptografische S/MIME-Signatur

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