Mail delivery failed: returning message to sender

Mon Nov 29 06:21:36 GMT 2021

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:

  ct1@maties.sun.ac.za
    host mail3.sun.ac.za [146.232.64.13]
    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-mail3.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          
  ctclinic@pawc.wcape.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<ctclinic@pawc.wcape.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
  ct@stephanwelz.co.za
    host mail.stephanwelz.co.za [41.203.18.49]
    SMTP error from remote mail server after RCPT TO:<ct@stephanwelz.co.za>:
    550 Unroutable address
  ct@mail.bureau.co.za
    host mail.bureau.co.za [129.232.136.14]
    SMTP error from remote mail server after RCPT TO:<ct@mail.bureau.co.za>:
    550 relay not permitted
  ctaylor@centralcatholichigh.org
    host aspmx.l.google.com [172.217.194.26]
    SMTP error from remote mail server after RCPT TO:<ctaylor@centralcatholichigh.org>:
    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 p8si21687655pfo.157 - gsmtp
  ct.cohen@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<ct.cohen@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
  ct@earthlife-ct.org.za
    host mail.earthlife-ct.org.za [197.221.14.6]
    SMTP error from remote mail server after RCPT TO:<ct@earthlife-ct.org.za>:
    550 Unroutable address
  ct@harveyscomposites.co.za
    host Za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    SMTP error from remote mail server after RCPT TO:<ct@harveyscomposites.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 [4abAjeAuPsaQqT-P0N9grg.za76]
  ct.bookings@nwr.com.na
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.201]
    SMTP error from remote mail server after RCPT TO:<ct.bookings@nwr.com.na>:
    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 [P4oe2gp7ODqOEPkG3Vz0Yw.za87]
  ctasscron@jacza.jnj.com
    host mx2.jnj-sd.iphmx.com [207.54.86.72]
    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.
  ctanha@ananzi.com
    host guardian.brabys.co.za [196.216.215.59]
    SMTP error from remote mail server after RCPT TO:<ctanha@ananzi.com>:
    550 5.1.1 <ctanha@ananzi.com>: Recipient address rejected:
    User unknown in virtual mailbox table
  cswitzfr@scrtc.com
    host mx2.scrtc.com [66.38.0.177]
    SMTP error from remote mail server after RCPT TO:<cswitzfr@scrtc.com>:
    550 User [cswitzfr@scrtc.com] does not exist
  ct@toolquip.co.za
    host ASPMX.L.GOOGLE.COM [172.217.194.26]
    SMTP error from remote mail server after RCPT TO:<ct@toolquip.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 lx10si14063094pjb.126 - gsmtp
  ct@dajiangpack.com
    host mxw.mxhichina.com [198.11.189.243]
    SMTP error from remote mail server after RCPT TO:<ct@dajiangpack.com>:
    554 RCPT (ct@dajiangpack.com) dosn't exist
  ct@sun.co.za
    all hosts for 'sun.co.za' have been failing for a long time (and retry time not reached)
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Date: Mon, 29 Nov 2021 14:11:56 +0800
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