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:

  dud_e2u@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<dud_e2u@webmail.co.za>:
    550 5.1.1 <dud_e2u@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  dud4bud@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<dud4bud@webmail.co.za>:
    550 5.1.1 <dud4bud@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducy209@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducy209@webmail.co.za>:
    550 5.1.1 <ducy209@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducttapequeen2002@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducttapequeen2002@webmail.co.za>:
    550 5.1.1 <ducttapequeen2002@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ductile47@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ductile47@webmail.co.za>:
    550 5.1.1 <ductile47@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ductail47@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ductail47@webmail.co.za>:
    550 5.1.1 <ductail47@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducregabriel@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducregabriel@webmail.co.za>:
    550 5.1.1 <ducregabriel@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducosic@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducosic@webmail.co.za>:
    550 5.1.1 <ducosic@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducma@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducma@webmail.co.za>:
    550 5.1.1 <ducma@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducloselizabeth@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducloselizabeth@webmail.co.za>:
    550 5.1.1 <ducloselizabeth@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  duckzilla222@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<duckzilla222@webmail.co.za>:
    550 5.1.1 <duckzilla222@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  duckymoose616@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<duckymoose616@webmail.co.za>:
    550 5.1.1 <duckymoose616@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  duckyfeet21@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<duckyfeet21@webmail.co.za>:
    550 5.1.1 <duckyfeet21@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  duckyducky31806@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<duckyducky31806@webmail.co.za>:
    550 5.1.1 <duckyducky31806@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducky_walker_2007@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducky_walker_2007@webmail.co.za>:
    550 5.1.1 <ducky_walker_2007@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducky_ks@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducky_ks@webmail.co.za>:
    550 5.1.1 <ducky_ks@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducky_20042186@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducky_20042186@webmail.co.za>:
    550 5.1.1 <ducky_20042186@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducky19822001@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducky19822001@webmail.co.za>:
    550 5.1.1 <ducky19822001@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducky103101@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducky103101@webmail.co.za>:
    550 5.1.1 <ducky103101@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  ducky060586@webmail.co.za
    host mx.wmi2.net [62.210.78.128]
    SMTP error from remote mail server after RCPT TO:<ducky060586@webmail.co.za>:
    550 5.1.1 <ducky060586@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  duduzile@mehleketo.com
    host mehleketo-com.mail.protection.outlook.com [104.47.5.36]
    SMTP error from remote mail server after RCPT TO:<duduzile@mehleketo.com>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [HE1EUR02FT011.eop-EUR02.prod.protection.outlook.com]
  duduzi@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<duduzi@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  dudleyb@global.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dudleyb@global.co.za>:
    550 rejected because recipient verify failed -- user not found
  Dudley@yebo.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<Dudley@yebo.co.za>:
    550 rejected because recipient verify failed -- user not found
  DudleyR@turnergroup.co.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after end of data:
    554 Email rejected due to security policies - https://community.mimecast.com/docs/DOC-1369#554 [geko9qbMOUeTzmIKT3sVdw.za125]
  dudlfys@iafrica.com
    host nav-gateway.mweb.co.za [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dudlfys@iafrica.com>:
    550 rejected because recipient verify failed -- user not found
  dudu.hlathi@gmail.com
    host gmail-smtp-in.l.google.com [142.251.12.27]
    SMTP error from remote mail server after RCPT TO:<dudu.hlathi@gmail.com>:
    550-5.1.1 The email account that you tried to reach does not exist. Please try
    550-5.1.1 double-checking the recipient's email address for typos or
    550-5.1.1 unnecessary spaces. Learn more at
    550 5.1.1  https://support.google.com/mail/?p=NoSuchUser 2si17761960pgz.256 - gsmtp
  ducky114@hotmail.com
    host hotmail-com.olc.protection.outlook.com [104.47.13.33]
    SMTP error from remote mail server after pipelined end of data:
    550 5.7.1 Unfortunately, messages from [13.251.146.0] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. [HE1EUR04FT061.eop-eur04.prod.protection.outlook.com]
  dud@rau.ac.za
    all hosts for 'rau.ac.za' have been failing for a long time (and retry time not reached)

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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 14:26:30 +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