Scam mail in name of delivery status failed mail server on hitbucks.net

Hello, this is the mail server on hitbucks.net.

I am sending you this message to inform you on the delivery status of a
message you previously sent.  Immediately below you will find a list of
the affected recipients;  also attached is a Delivery Status Notification
(DSN) report in standard format, as well as the headers of the original
message.

  <xxxxxxxxxxx@yahoo.com>  delivery failed; will not continue trying

Final-Recipient: rfc822;xxxxxxxxxxx@yahoo.com
Action: failed
Status: 5.0.0 (undefined status)
Remote-MTA: dns;mta5.am0.yahoodns.net (98.136.217.203)
Diagnostic-Code: smtp;553 5.7.1 [BL21] Connections will not be accepted from, because the ip is in Spamhaus's list; see http://postmaster.yahoo.com/550-bl23.html
X-PowerMTA-BounceCategory: spam-related