Mail delivery failed: returning message to sender

[Singnet Mail Delivery System <noreply@singnet.com.sg>]

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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:

  Andrew@bigbay.co.za
    host mail.bigbay.co.za [110.232.143.23]
    SMTP error from remote mail server after RCPT TO:<Andrew@bigbay.co.za>:
    550 No Such User Here
  andres@xpd.co.za
    host gateway.webaware.co.za [129.232.157.135]
    SMTP error from remote mail server after RCPT TO:<andres@xpd.co.za>:
    550-5.5.1 Server IP 13.251.162.251 listed as abusive. See
    550-http://spamauditor.org/best-practices/ip-reputation/ for more information..
    550 Protection provided by MagicSpam 2.1-16.3 http://www.magicspam.com
  andreviv@axxess.co.za
    host mail.axxess.co.za [197.242.159.197]
    SMTP error from remote mail server after RCPT TO:<andreviv@axxess.co.za>:
    550 No such user (andreviv) -ERR andreviv@axxess.co.za not found
  andrew@gz-perfect.cn
    host mx.ym.163.com [115.236.118.98]
    SMTP error from remote mail server after RCPT TO:<andrew@gz-perfect.cn>:
    551 5.1.1 recipient is not exist
  andrew@blacktop.co.za
    host mail.blacktop.co.za [41.203.16.220]
    SMTP error from remote mail server after RCPT TO:<andrew@blacktop.co.za>:
    550 Unroutable address
  andrew@gecko.biol.wits.ac.za
    all hosts for 'gecko.biol.wits.ac.za' have been failing for a long time (and retry time not reached)
  andrew@demagcranes.co.za
    host cluster9.us.messagelabs.com [67.219.247.111]
    SMTP error from remote mail server after RCPT TO:<andrew@demagcranes.co.za>:
    553-you are trying to use me [server-6.tower-635.messagelabs
    553-.com] as a relay, but I have not been configured to let
    553-you [13.251.162.251, omr28.orchid.atmailcloud.com] do
    553-this. Please visit www.symanteccloud.com/troubleshooting
    553- for more details about this error message and
    553 instructions to resolve this issue. (#5.7.1)
  andrew@bvz.co.za
    host fallbackmx.spamexperts.eu [130.117.54.106]
    SMTP error from remote mail server after end of data:
    550 Message rejected due to user rules.
  ANDREVOGEL@ANANZI.CO.ZA
    host mx.cloudafrica.email [41.79.76.130]
    SMTP error from remote mail server after RCPT TO:<ANDREVOGEL@ANANZI.CO.ZA>:
    550 5.1.1 <ANDREVOGEL@ANANZI.CO.ZA>: Recipient address rejected:
    undeliverable address: host 10.0.35.24[10.0.35.24] said:
    550 Rejected - Invalid recipient address (in reply to RCPT TO command)
  andrevdb@telpro.co.za
    host mail.telpro.co.za [85.10.213.46]
    SMTP error from remote mail server after RCPT TO:<andrevdb@telpro.co.za>:
    550 Unroutable address
  andrev@martin-eng.co.za
    host s2.ispan.net [13.244.220.10]
    SMTP error from remote mail server after RCPT TO:<andrev@martin-eng.co.za>:
    550 5.1.1 <andrev@martin-eng.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  andrev@vds.co.za
    host b156efd0.21.ik2.com [66.228.130.220]
    SMTP error from remote mail server after RCPT TO:<andrev@vds.co.za>:
    557 Email address - andrev@vds.co.za - is not available here.  Disconnecting...
  andret@sassa.gov.za
    host zalc.e-purifier.com [41.168.131.16]
    SMTP error from remote mail server after RCPT TO:<andret@sassa.gov.za>:
    554 5.7.1 <andret@sassa.gov.za>: Recipient address rejected:
    Access denied
  andresen@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<andresen@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  AndreRic@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<AndreRic@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  andrepiters@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<andrepiters@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  andrestrauss@vodamail.co.za
    host mx1.vodamail.co.za [196.11.146.148]
    SMTP error from remote mail server after RCPT TO:<andrestrauss@vodamail.co.za>:
    550 5.1.1 <andrestrauss@vodamail.co.za>: Recipient address rejected:
    User unknown in local recipient table
  andrero@crazyweb.co.za
    host mail.crazyweb.co.za [129.232.233.130]
    SMTP error from remote mail server after RCPT TO:<andrero@crazyweb.co.za>:
    550 5.1.1 Recipient unknown <andrero@crazyweb.co.za>

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From: "BEN JOHNSON" <mauve-patches@sourceware.org>
To: Recipients <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 13:48:49 +0800

Good Day,
 An exhaustive and meticulous search was conducted and it is in connection with this search that I'm writing to you today base on your surname which you share with a client that is now deceased. Revert back to me for more details to be given to you. 
 Sincerely,
Barr Ben Johnson