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:

  kirsty@kc.ecape.school.za
    retry timeout exceeded
  kirsty@crossfitbrooklyn.co.za
    retry timeout exceeded
  kirtanya.sahadeo@mtn.blackberry.com
    host mx02.bis7.eu.blackberry.com [178.239.87.3]
    SMTP error from remote mail server after RCPT TO:<kirtanya.sahadeo@mtn.blackberry.com>:
    550 #5.1.0 Address rejected.
  kirstyn.grapevine@galileosa.co.za
    host mail-gw2.pccc.co.za [3.64.82.161]
    SMTP error from remote mail server after RCPT TO:<kirstyn.grapevine@galileosa.co.za>:
    550 5.1.1 <kirstyn.grapevine@galileosa.co.za>:
    Recipient address rejected: undeliverable address:
    host 196.22.216.144[196.22.216.144] said: 550 5.1.1 <kirstyn.grapevine@galileosa.co.za>:
    Recipient address rejected: User unknown in virtual mailbox table (in reply to RCPT TO command)
  kischd@global.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<kischd@global.co.za>:
    550 rejected because recipient verify failed -- user not found
  kirstynorth@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<kirstynorth@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  kirstyg@imaginet.co.za
    host mail-gateway.imaginet.co.za [41.78.29.100]
    SMTP error from remote mail server after RCPT TO:<kirstyg@imaginet.co.za>:
    550 5.1.1 <kirstyg@imaginet.co.za>: Recipient address rejected:
    undeliverable address: host mx2.imaginet.co.za[41.78.29.101] said:
    550 Unknown recipient (Undeliverable) (in reply to RCPT TO command)
  kirstyrichard@hotmail.com
    host hotmail-com.olc.protection.outlook.com [104.47.17.161]
    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. [VI1EUR05FT039.eop-eur05.prod.protection.outlook.com]
  kirstymetcalf@hotmail.com
    host hotmail-com.olc.protection.outlook.com [104.47.17.161]
    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. [VI1EUR05FT039.eop-eur05.prod.protection.outlook.com]
  kirsty.mitchell@upmraflatac.com
    host upmraflatac-com.mail.protection.outlook.com [104.47.8.36]
    SMTP error from remote mail server after RCPT TO:<kirsty.mitchell@upmraflatac.com>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [AM5EUR03FT041.eop-EUR03.prod.protection.outlook.com]
  kirsty@shaktiyoga.co.za
    host mail.shaktiyoga.co.za [192.185.16.197]
    SMTP error from remote mail server after RCPT TO:<kirsty@shaktiyoga.co.za>:
    550 No Such User Here"
  Kirsty.Fourie@Woodridge.co.za
    host woodridge-co-za.mail.protection.outlook.com [104.47.8.36]
    SMTP error from remote mail server after RCPT TO:<Kirsty.Fourie@Woodridge.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [AM5EUR03FT050.eop-EUR03.prod.protection.outlook.com]
  kirstenl@partserve.co.za
    host tar.junkemailfilter.com [184.105.182.214]
    SMTP error from remote mail server after pipelined end of data:
    550-FAKE-REJECT - REJECTED - TB4 - Try a lower numbered MX record - [9  FakeMX
    550-DOB-SENDER TLS256 NoMessID] - ID=70154-26594 X=tar
    550-H=omr23.orchid.atmailcloud.com [13.251.146.0]:36566
    550-HELO=[omr23.orchid.atmailcloud.com] SN=[mauve-patches@sourceware.org]
    550 T=[kirstenl@partserve.co.za] S=[WARM REGARDS]
  kirsty@o2.co.za
    host mail.o2.co.za [108.167.146.59]
    SMTP error from remote mail server after RCPT TO:<kirsty@o2.co.za>:
    550 No Such User Here
  kirstye@emmanuels.co.za
    host za-smtp-inbound-2.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 [S7BwUi9MOwyNsWLPngQrQA.za115]
  kirsty@avroyshlain.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 [Y7W6-72gOP6wvjsf5BjXlA.za82]
  kirsty@msb.co.za
    host mail.msb.co.za [156.38.250.21]
    SMTP error from remote mail server after RCPT TO:<kirsty@msb.co.za>:
    550 Unroutable address
  kirsty@lesleysimpson.co.za
    host mail.lesleysimpson.co.za [129.232.251.231]
    SMTP error from remote mail server after RCPT TO:<kirsty@lesleysimpson.co.za>:
    550 Unroutable address
  kirsty@leeandmcadam.co.za
    host leeandmcadam-co-za.mail.protection.outlook.com [104.47.19.110]
    SMTP error from remote mail server after RCPT TO:<kirsty@leeandmcadam.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [JN2ZAF01FT015.eop-zaf01.prod.protection.outlook.com]
  kirsty@arrowprint.co.za
    host mx965940.spe.ucebox.co.za [197.242.159.37]
    SMTP error from remote mail server after RCPT TO:<kirsty@arrowprint.co.za>:
    550 Unrouteable address
  kirstenl@hidesign.co.za
    host mail.hidesign.co.za [197.221.14.62]
    SMTP error from remote mail server after RCPT TO:<kirstenl@hidesign.co.za>:
    550 Unroutable address
  kirstyn@discoverymarketing.co.za
    host za-mx.discovery.co.za [196.6.208.52]
    SMTP error from remote mail server after RCPT TO:<kirstyn@discoverymarketing.co.za>:
    550 #5.1.0 Address rejected.
  kirstyl@discovery.co.za
    host za-mx.discovery.co.za [196.6.208.52]
    SMTP error from remote mail server after RCPT TO:<kirstyl@discovery.co.za>:
    550 #5.1.0 Address rejected.
  kirstink@discovery.co.za
    host za-mx.discovery.co.za [196.6.208.52]
    SMTP error from remote mail server after RCPT TO:<kirstink@discovery.co.za>:
    550 #5.1.0 Address rejected.
  kirsty@beaglewatch.co.za
    host beaglewatch-co-za.mail.protection.outlook.com [104.47.0.36]
    SMTP error from remote mail server after RCPT TO:<kirsty@beaglewatch.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [HE1EUR01FT013.eop-EUR01.prod.protection.outlook.com]
  kirsti@fcbct.co.za
    host fcbct-co-za.mail.protection.outlook.com [104.47.6.36]
    SMTP error from remote mail server after RCPT TO:<kirsti@fcbct.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR02FT044.eop-EUR02.prod.protection.outlook.com]

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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 15:11:49 +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