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:

  smdpau01@scilab.uct.ac.za
    retry timeout exceeded
  g92h7125@warthog.ru.ac.za
    retry timeout exceeded
  wozaniafric@venturenet.co.za
    host mail.venturenet.co.za [41.203.18.245]
    SMTP error from remote mail server after RCPT TO:<wozaniafric@venturenet.co.za>:
    550 Unroutable address
  Sifiso.Mbhele@students.wits.ac.za
    host ASPMX.L.GOOGLE.COM [172.217.194.26]
    SMTP error from remote mail server after RCPT TO:<Sifiso.Mbhele@students.wits.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 oc17si21461053pjb.103 - gsmtp
  wendy.rudling@iburst.co.za
    host mailguard6.neotel.co.za [41.168.2.5]
    SMTP error from remote mail server after RCPT TO:<wendy.rudling@iburst.co.za>:
    554 5.7.1 Service unavailable; Client host [52.221.55.32] blocked using sip.invaluement.local; Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32
  vdbergblanche@webafrica.co.za
    host mx.spamexperts.com [130.117.54.106]
    SMTP error from remote mail server after end of data:
    550 High probability of spam
  wendybh@aurora.co.za
    host aurora-co-za.mail.protection.outlook.com [104.47.2.36]
    SMTP error from remote mail server after RCPT TO:<wendybh@aurora.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [DB5EUR01FT061.eop-EUR01.prod.protection.outlook.com]
  prkmar@mail.uct.ac.za
    all hosts for 'mail.uct.ac.za' have been failing for a long time (and retry time not reached)
  vlekkie@web-mail.co.za
    host mail.web-mail.co.za [108.167.146.59]
    SMTP error from remote mail server after RCPT TO:<vlekkie@web-mail.co.za>:
    550 No Such User Here
  Sgoliath@kv3.co.za
    host mx1.improvmx.com [51.91.128.110]
    SMTP error from remote mail server after RCPT TO:<Sgoliath@kv3.co.za>:
    550 5.1.9 Relay not permitted. (#id-5.9.2) - ImprovMX
  wals@i.co.za
    host mxi.is.co.za [196.35.13.10]
    SMTP error from remote mail server after RCPT TO:<wals@i.co.za>:
    550 Unknown user
  vevek@nlb.co.za
    host 1-grid-mx04.com [41.61.249.30]
    SMTP error from remote mail server after RCPT TO:<vevek@nlb.co.za>:
    554 5.7.1 Service unavailable; Client host [52.221.55.32] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=52.221.55.32
  wynburgcln@cyberweb.co.za
    host mx01.sybaweb.net [41.185.84.4]
    SMTP error from remote mail server after RCPT TO:<wynburgcln@cyberweb.co.za>:
    554 5.7.1 Service unavailable; Client host [52.221.55.32] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=52.221.55.32
  ybehane@fnb.co.za
    host mx1.hc858-6.c3s2.iphmx.com [216.71.157.232]
    SMTP error from remote mail server after DATA:
    550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.
  neels.kruger@postino.up.ac.za
    host alt2.aspmx.l.google.com [142.250.115.27]
    SMTP error from remote mail server after RCPT TO:<neels.kruger@postino.up.ac.za>:
    550-5.2.1 The email account that you tried to reach is disabled. Learn more at
    550 5.2.1  https://support.google.com/mail/?p=DisabledUser l31si14638819otv.163 - gsmtp
  lerasmus@zoology.up.ac.za
    host alt1.aspmx.l.google.com [173.194.202.27]
    SMTP error from remote mail server after RCPT TO:<lerasmus@zoology.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 f17si21415462pfv.251 - gsmtp
  aauret@postino.up.ac.za
    host alt2.aspmx.l.google.com [142.250.115.27]
    SMTP error from remote mail server after RCPT TO:<aauret@postino.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 l31si14638819otv.163 - gsmtp
  vincenthenwood@up.ac.za
    host aspmx.l.google.com [74.125.200.27]
    SMTP error from remote mail server after RCPT TO:<vincenthenwood@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 nl12si10288359pjb.130 - gsmtp
  ypozyn@e.co.za
    host aspmx.l.google.com [74.125.200.27]
    SMTP error from remote mail server after RCPT TO:<ypozyn@e.co.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 nu6si23719675pjb.46 - gsmtp
  tentesa@iafrica.co.za
    host nav-gateway.mweb.co.za [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<tentesa@iafrica.co.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  tony@scinet.up.ac.za
    host kendy.up.ac.za [137.215.101.101]
    SMTP error from remote mail server after RCPT TO:<tony@scinet.up.ac.za>:
    530 Relaying not allowed
  trntownlodge@procomp.co.za
    host mail.procomp.co.za [41.203.16.239]
    SMTP error from remote mail server after RCPT TO:<trntownlodge@procomp.co.za>:
    550 Unroutable address
  zuzanne@greatwest.co.za
    host mail.greatwest.co.za [85.10.213.192]
    SMTP error from remote mail server after RCPT TO:<zuzanne@greatwest.co.za>:
    550 Unroutable address
  kcwaile@ds.ncape.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<kcwaile@ds.ncape.gov.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  pmdibe@ds.ncape.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<pmdibe@ds.ncape.gov.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  thembinkosith@statssa.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<thembinkosith@statssa.gov.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  www.reedijk@futurejhb.co.za
    host mx.spamexperts.com [130.117.54.106]
    SMTP error from remote mail server after RCPT TO:<www.reedijk@futurejhb.co.za>:
    550-5.1.1 <www.reedijk@futurejhb.co.za>:
    550 Email address could not be found, or was misspelled (G8)
  tracey@nedbank.co.za
    host mxgw11.nedbank.co.za [168.142.192.136]
    SMTP error from remote mail server after DATA:
    550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.
  trotterj@global.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<trotterj@global.co.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  wrhsdep@icon.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<wrhsdep@icon.co.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  kkeyser@idc.ih.co.za
    host mx01.imperial.co.za [196.46.138.240]
    SMTP error from remote mail server after RCPT TO:<kkeyser@idc.ih.co.za>:
    550 No such domain at this location
  wikus.hancke@bmwdealer.co.za
    host 1-grid-mx01.co.za [41.185.250.30]
    SMTP error from remote mail server after RCPT TO:<wikus.hancke@bmwdealer.co.za>:
    554 5.7.1 Service unavailable; Client host [52.221.55.32] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=52.221.55.32
  venite_mertz@dfm.co.za
    host dfm-co-za.mail.protection.outlook.com [104.47.1.36]
    SMTP error from remote mail server after RCPT TO:<venite_mertz@dfm.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR01FT004.eop-EUR01.prod.protection.outlook.com]
  -wine@meridianonline.co.za
    host ASPMX.L.GOOGLE.COM [74.125.130.26]
    SMTP error from remote mail server after RCPT TO:<-wine@meridianonline.co.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 a5si20490298pgk.320 - gsmtp

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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 13:21:16 +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