******@hotmail.com. emails notifying of abuse, come with no indication of who has reported the abuse. so how are we supposed to unsubscribe them?

Question

******@hotmail.com. emails notifying of abuse, come with no indication of who has reported the abuse. so how are we supposed to unsubscribe them?

Paul Edwards 0

We keep getting emails from ******@hotmail.com.au with attached outlook items that seem to indicate reported abuse. But they indicate "undisclosed recipient" which means we have no idea who to remove from our lists to make sure they don't get any subsequent emails. How can we change this so you include the reporters email and we can take appropriate steps?

Hornblower409 18,970 Reputation points

2026-08-14T17:54:39.83+00:00

@Paul Edwards

It looks like your latest post was removed by the forum censor. Could you please re-post and be sure to redact any personal information and part of any full email address shown.

4 answers

Your answer

Hornblower409 18,970 Reputation points

2026-08-14T17:54:39.83+00:00

@Paul Edwards

It looks like your latest post was removed by the forum censor. Could you please re-post and be sure to redact any personal information and part of any full email address shown.

Answer 1

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Answer 2

Hornblower409 18,970

@Paul Edwards said

emails from Staff @ hotmail.com with attached outlook items that seem to indicate reported abuse.

It's a scam or phishing attempt. Don't touch. Ignore it.

No official Microsoft email ever comes from a hotmail.com address.

Mutual Internet Practices Association (mipassoc.org) is a real organization that published a standard Abuse Reporting Format, but scammers like to throw it in to make things look legit.

Stefan Falz 0 Reputation points

2026-11-11T08:57:14.5466667+00:00

Of course, such emails from staff @ hotmail.com are legitimate. In our case, it involved an @ live.de address (naturally, we have a "confirmed opt-in" for this user and included an unsubscribe link in every notification email but clicking on "spam" or "junk" is much easier).

Answer 3

Paul Edwards 0

Screenshot 2026-07-24 115016

this is what we get. The outlook item attachment is addressed to "undisclosed recipient""

Jeronimo Fuerte 48,705 Reputation points Independent Advisor

2026-07-24T01:58:05.3133333+00:00

Please save the 209-byte .dat attachment and open it with Notepad. Look for a field named Original-Rcpt-To:. If it is included, that is the recipient address that should be removed or suppressed. You should also examine the attached Outlook item’s full Internet headers and look for a recipient-specific unsubscribe link, Message-ID, campaign ID, or another identifier that can be matched against your sending records.
Paul Edwards 0 Reputation points

2026-07-24T02:07:12.42+00:00

neither provide any indication of an email address or anything other than the original subject line of the email sent out. Including a unique identifier in the subject line, would only trigger spam filters, so that is not an option. Why would hotmail list the too address as undisclosed recipients, making the whole exercise of sending us the notification popintless?
Stefan Falz 0 Reputation points

2026-11-11T09:00:31.33+00:00

I know this thread is quite old but for other users with the same question: Please take a look at the headers of the attached .msg file (not the .dat file). There, you will find a unique Message-ID that you can use to identify the message in your SMTP log files.

Answer 4

Jeronimo Fuerte 48,705 Independent Advisor

Could you share screenshots of the notification and attached item, including the sender’s complete domain and the relevant headers? Please hide all personal information. This will also help confirm that the messages are genuine JMRP reports, since an address using @hotmail.com.au is not automatically an official Microsoft service address.

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