Subject: Mail delivery failed: returning message to sender
From: "Mail Delivery System" <[email-masked]>
To: <[email-masked]>
Date: Fri, 15 Mar 2024 00:40:54 +0330

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:

  [email-masked]
    host extmail.msn.bigpond.com [203.42.22.10]
    SMTP error from remote mail server after end of data:
    558-5.7.1 Message content rejected due to suspected spam. IB703
    558 5.7.1 i{a2ebcfc6-a907-40a4-9bc1-d563a5a3fdca}
  [email-masked]
    host extmail.bpbb.bigpond.com [203.42.40.138]
    SMTP error from remote mail server after RCPT
TO:<[email-masked]>:
    550-5.1.1 [email-masked] recipient rejected. Recipient does
not
    550 5.1.1 exist. IB603A
  [email-masked]
    host extmail.bpbb.bigpond.com [203.42.40.138]
    SMTP error from remote mail server after RCPT
TO:<[email-masked]>:
    550-5.1.1 [email-masked] recipient rejected. Recipient does
not
    550 5.1.1 exist. IB603A
  [email-masked]
    host extmail.bpbb.bigpond.com [203.42.40.138]
    SMTP error from remote mail server after RCPT
TO:<[email-masked]>:
    550-5.1.1 [email-masked] recipient rejected. Recipient does not
    550 5.1.1 exist. IB603A
  [email-masked]
    host in1-smtp.messagingengine.com [103.168.172.219]
    SMTP error from remote mail server after RCPT
TO:<[email-masked]>:
    550 5.1.1 <[email-masked]>: Recipient address rejected:
    User unknown in virtual mailbox table