Have seen this as well - it’s frustrating.  They’re stripping the entire 
content as well [so no way to see unsubscribe links for legitimate emails 
marked as spam either].

One other funny thing I’ve noticed…

The reports claim the message was sent at the time the report was sent.

So for example if a user gets an email on September 2, then reports that 
message on September 8th - the JMRP report says the message was received on the 
8th, not the 2nd.

Another issue we’ve seen - is that we get about 5 JMRP reports per day for a 
single email sent on August 2nd to one user.  Every report claims the message 
was just sent but the details JMRP did send were unique enough for us to find 
the original message in the logs.

I thought about posting here, but haven’t - but I saw your message and … yeah.  
Not sure who took over JMRP or what AI they used to rebuild all of this but 
it’s, imo, a mess.

TL;DR

They’re stripping the recipient.
They’re stripping the body.
They’re saying the message reported as spam was sent at the time the report was 
made, not when it was really sent.
And in our case - they send us numerous non-actionable duplicate reports every 
day.

Thank you,

Michael Denney
MDDHosting LLC
http://www.mddhosting.com/

> On Sep 11, 2026, at 3:02 AM, Benoît Panizzon via mailop <[email protected]> 
> wrote:
> 
> Hi Team
> 
> Until one month or so ago, when we received an JMRP complaint from
> Microsoft, the receiving Microsoft customer was clearly stated in the
> report.
> 
> So in cases of false positives (which they mostly are) we blocked the
> customer and told him to sort out with the recipient why a legitimate
> email was reported as spam to Microsoft. We do this to prevent hitting
> S3150 with mostly success.
> 
> But now I face a new issue. There report was altered, all headers
> containing any email address has the address replaced by <X>.
> 
> I can still find the email email in question in our logs, but when it
> was sent to 10 recipients with @hotmail.com or @outlook.com I can't
> tell our customer which one of his recipients reported his email as
> spam. And those are clearly false positives - some recipients still
> confuse 'junk' and 'trash'.
> 
> How do you handle such cases? Any contact @ Microsoft which could
> restore the old behaviour of disclosing the recipient which reported
> the email?
> 
> -- 
> Mit freundlichen Grüssen
> 
> -Benoît Panizzon- @ HomeOffice und normal erreichbar
> -- 
> I m p r o W a r e   A G    -    Leiter Commerce Kunden
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