Re: Mail delivery failed: returning message to sender (fwd)

[http://www.cuds.dummy.us.eu.org/robert (Robert)]

 > From: Noelle <noelle>
 > Date: Thu, 15 Oct 2026 07:55:49 -0700 (PDT)
 >
 > I'm a hacker???

Oh, this one is spoofing your email address.

There's not much info in the headers, but Google was right to bounce this.

I recommend saving the original in a "junk" folder (create it if it
doesn't exist).

 >  > From: Mail Delivery System <http://www.nl1-tr2.supercp.com/~Mailer-Daemon>
 >  > To: http://dummy.us.eu.org/NOELLEg
 >  > References: <http://www.atsengg.com/~6ad0743dc4e18.47c67515571e63e0265861fb325a5591>
 >  > Subject: Mail delivery failed: returning message to sender
 >  > Date: Thu, 15 Oct 2026 08:35:47 +0200
 >  > Content-Type: text/plain;charset=utf-8
 >  > Content-Transfer-Encoding: 8bit
 >  > 
 >  > This message was created automatically by mail delivery software.
 >  > 
 >  > A message that you sent could not be delivered to one or more of its
 >  > recipients. This is a permanent error. The following address(es) failed:
 >  > 
 >  >   http://dummy.us.eu.org/NOELLEg
 >  >     host smtp.mailchannels.net [35.160.12.29]
 >  >     SMTP error from remote mail server after end of data:
 >  >     550 5.7.1 [A2SDNF] Blocked. See 
 >  >     https://console.mailchannels.net/insights/bounce?auid=a2hosting&sender=no
 >  >     http://www.alum.cal.org/~elle&txid=4e6315c84d08e686
 >  > 
 >  > Content-type: message/delivery-status
 >  > 
 >  > Reporting-MTA: dns; nl1-tr2.supercp.com
 >  > 
 >  > Action: failed
 >  > Final-Recipient: rfc822;http://dummy.us.eu.org/NOELLEg
 >  > Status: 5.0.0
 >  > Remote-MTA: dns; smtp.mailchannels.net
 >  > Diagnostic-Code: smtp; 550 5.7.1 [A2SDNF] Blocked. See 
 >  > https://console.mailchannels.net/insights/bounce?auid=a2hosting&http://dummy.us.eu.org/sender=noelle&txid=4e6315c84d08e686