Mail delivery failed: returning message to sender

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

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This message was created automatically by mail delivery software.

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:

  dawn@brocivils.co.za
    host mx1.tld-mx.com [169.239.217.2]
    SMTP error from remote mail server after end of data:
    550 High probability of spam
  dawie@maties.sun.ac.za
    host mail2.sun.ac.za [146.232.64.14]
    SMTP error from remote mail server after pipelined end of data:
    550-Message viewed as spam. (scored 8.4)
    550-If you are convinced that it was not spam, please contact
    550-help@sun.ac.za to find out why it was marked as spam.
    550-The system administrator will require the following
    550-information: sender address, recipient's address and time.
    550-The spamfilter report for your email follows:
    550-mail2.sun.ac.za:(8.4 points) BAYES_99=3.8,FREEMAIL_FORGED_REPLYTO=2.095,FREEMAIL_REPLYTO_END_DIGIT=0.25,HTML_MESSAGE=0.001,MISSING_MID=0.497,SPF_HELO_NONE=0.001,SPF_NEUTRAL=0.779,SUBJ_ALL_CAPS=1
    550-autolearn=disabled
    550-Content analysis details:   (8.4 points, 8.0 required)
    550-pts rule name              description
    550----- ---------------------- --------------------------------------------------
    550-3.8 BAYES_99               BODY: Bayes spam probability is 99 to 100%
    550-[score: 1.0000]
    550-0.8 SPF_NEUTRAL            SPF: sender does not match SPF record
    550-(neutral)
    550-1.0 SUBJ_ALL_CAPS          
  dawn.zakris@sbcglobal.net
    host al-ip4-mx-vip1.prodigy.net [144.160.235.143]
    SMTP error from remote mail server after RCPT TO:<dawn.zakris@sbcglobal.net>:
    550 5.2.1 <dawn.zakris@sbcglobal.net>... Addressee unknown, relay=[52.221.55.32]
  dawn-mike@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dawn-mike@mweb.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
  dawievdv@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dawievdv@mweb.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
  dawiejenny@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dawiejenny@mweb.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
  dawiej@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dawiej@mweb.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
  dawn@dacst5.pwv.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<dawn@dacst5.pwv.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
  dawn@anchors.co.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    SMTP error from remote mail server after RCPT TO:<dawn@anchors.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [Yed-M2ypNaqhMeK-xn3IeQ.za42]
  DawieR@gpg.gov.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    SMTP error from remote mail server after RCPT TO:<DawieR@gpg.gov.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [Yed-M2ypNaqhMeK-xn3IeQ.za42]
  dawn.davis@panalpina.com
    host panalpina-com.mail.protection.outlook.com [104.47.1.36]
    SMTP error from remote mail server after RCPT TO:<dawn.davis@panalpina.com>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR01FT022.eop-EUR01.prod.protection.outlook.com]
  dawn@starexpress.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.197.210]
    SMTP error from remote mail server after RCPT TO:<dawn@starexpress.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [LGEY4XSuO7Ox-EjYn_tcCA.za140]
  Dawidw@brmo.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.197.210]
    SMTP error from remote mail server after RCPT TO:<Dawidw@brmo.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [LGEY4XSuO7Ox-EjYn_tcCA.za140]
  dawie.grobbelaar@syngenta.com
    host eu-smtp-inbound-1.mimecast.com [195.130.217.211]
    SMTP error from remote mail server after RCPT TO:<dawie.grobbelaar@syngenta.com>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [6v0yKeyoMdifXt7Bzyh-pQ.uk232]
  dawid_swanepoel@dell.com
    host mxb-00154901.gslb.pphosted.com [67.231.149.39]
    SMTP error from remote mail server after RCPT TO:<dawid_swanepoel@dell.com>:
    550 5.1.1 User Unknown
  dawn.zapata@wuhsd.k12.ca.us
    host alt1.aspmx.l.google.com [173.194.202.27]
    SMTP error from remote mail server after RCPT TO:<dawn.zapata@wuhsd.k12.ca.us>:
    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 d9si89950plg.145 - 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 14:21:45 +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