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:

  karenh@caxton.co.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.210]
    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 [wmjKPw5SMEyTvX1xg6nKlA.za34]
  kareng@penbev.co.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    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 [Y4Qje9o_MoGaRCmiiAuUHA.za30]
  kareng@miltons.law.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    SMTP error from remote mail server after RCPT TO:<kareng@miltons.law.za>:
    550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [Y4Qje9o_MoGaRCmiiAuUHA.za30]
  karene@wpbts.org.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    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 [Y4Qje9o_MoGaRCmiiAuUHA.za30]
  karendw@cef.org.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.210]
    SMTP error from remote mail server after RCPT TO:<karendw@cef.org.za>:
    550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [wmjKPw5SMEyTvX1xg6nKlA.za34]
  karendse@justice.gov.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    SMTP error from remote mail server after RCPT TO:<karendse@justice.gov.za>:
    550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [Y4Qje9o_MoGaRCmiiAuUHA.za30]
  karend@advancenet.co.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    SMTP error from remote mail server after RCPT TO:<karend@advancenet.co.za>:
    550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [Y4Qje9o_MoGaRCmiiAuUHA.za30]
  karendp@wizzit.co.za
    host mail.wizzit.co.za [197.221.2.189]
    SMTP error from remote mail server after RCPT TO:<karendp@wizzit.co.za>:
    550 Unroutable address
  karendekock@3gi.co.za
    host mxscan01.bdse.net [196.35.169.19]
    SMTP error from remote mail server after RCPT TO:<karendekock@3gi.co.za>:
    550 cuda_nsu unknown user <karendekock@3gi.co.za>
  karenclements308@gmail.com
    host gmail-smtp-in.l.google.com [74.125.24.26]
    SMTP error from remote mail server after RCPT TO:<karenclements308@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 s13si23818503plg.379 - gsmtp
  karend.fabtravel@galileosa.co.za
    host mail-gw2.pccc.co.za [3.64.82.161]
    SMTP error from remote mail server after RCPT TO:<karend.fabtravel@galileosa.co.za>:
    550 5.1.1 <karend.fabtravel@galileosa.co.za>:
    Recipient address rejected: undeliverable address:
    host 196.22.216.144[196.22.216.144] said: 550 5.1.1 <karend.fabtravel@galileosa.co.za>:
    Recipient address rejected: User unknown in virtual mailbox table (in reply to RCPT TO command)
  karendk.ce@up.ac.za
    host aspmx.l.google.com [142.251.12.27]
    SMTP error from remote mail server after RCPT TO:<karendk.ce@up.ac.za>:
    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 y24si9330442pjp.184 - gsmtp
  karenfanis@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karenfanis@webmail.co.za>:
    550 5.1.1 <karenfanis@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karenfair68@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karenfair68@webmail.co.za>:
    550 5.1.1 <karenfair68@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karenette2008@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karenette2008@webmail.co.za>:
    550 5.1.1 <karenette2008@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karenest@mailbox.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karenest@mailbox.co.za>:
    550 5.1.1 <karenest@mailbox.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karenehlis@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karenehlis@webmail.co.za>:
    550 5.1.1 <karenehlis@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karenechambers@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karenechambers@webmail.co.za>:
    550 5.1.1 <karenechambers@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karene_1955@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karene_1955@webmail.co.za>:
    550 5.1.1 <karene_1955@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karenduus@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karenduus@webmail.co.za>:
    550 5.1.1 <karenduus@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karendoerner@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karendoerner@webmail.co.za>:
    550 5.1.1 <karendoerner@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karendino47@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karendino47@webmail.co.za>:
    550 5.1.1 <karendino47@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karendillon04@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karendillon04@webmail.co.za>:
    550 5.1.1 <karendillon04@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karendevonne@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karendevonne@webmail.co.za>:
    550 5.1.1 <karendevonne@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karendegnan@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karendegnan@webmail.co.za>:
    550 5.1.1 <karendegnan@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karendcky@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karendcky@webmail.co.za>:
    550 5.1.1 <karendcky@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karendbradford@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karendbradford@webmail.co.za>:
    550 5.1.1 <karendbradford@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karend415@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karend415@webmail.co.za>:
    550 5.1.1 <karend415@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karencuty@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karencuty@webmail.co.za>:
    550 5.1.1 <karencuty@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karencrvns@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karencrvns@webmail.co.za>:
    550 5.1.1 <karencrvns@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karencrn@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karencrn@webmail.co.za>:
    550 5.1.1 <karencrn@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karenchenwu@webmail.co.za
    host mx.wmi2.net [62.210.139.249]
    SMTP error from remote mail server after RCPT TO:<karenchenwu@webmail.co.za>:
    550 5.1.1 <karenchenwu@webmail.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  karend@abi.co.za
    all hosts for 'abi.co.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 15:06:55 +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