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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:

  info@klubkampvuur.co.za
    host klubkampvuur.co.za [129.232.188.18]
    SMTP error from remote mail server after end of data:
    550 "The mail server detected your message as spam and has prevented delivery."
  info@knobkierrie.co.za
    host aspmx.l.google.com [142.251.10.27]
    SMTP error from remote mail server after RCPT TO:<info@knobkierrie.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 u7si14834937pgr.184 - gsmtp
  info@kmb.com.my
    host mx1.mschosting.com [72.18.132.4]
    SMTP error from remote mail server after end of data:
    550 High probability of spam
  info@klresearch.com
    all hosts for 'klresearch.com' have been failing for a long time (and retry time not reached)
  info@kindermusik.biz
    host kindermusik.biz [129.232.134.154]
    SMTP error from remote mail server after end of data:
    550 "The mail server detected your message as spam and has prevented delivery."
  info@kinky.com
    host alt1.aspmx.l.google.com [173.194.202.26]
    SMTP error from remote mail server after RCPT TO:<info@kinky.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 q8si16564686plr.87 - gsmtp
  info@kidzcardz.co.za
    host mx1.tld-mx.com [169.239.219.2]
    SMTP error from remote mail server after end of data:
    550 High probability of spam
  info@kidimed.co.za
    host mx.spamexperts.com [130.117.53.188]
    SMTP error from remote mail server after end of data:
    550 Message rejected due to user rules.
  info@khoikhoisafaris.com
    host mail.khoikhoisafaris.com [196.22.132.17]
    SMTP error from remote mail server after RCPT TO:<info@khoikhoisafaris.com>:
    550 relay not permitted
  info@khambule.co.za
    host mail.khambule.co.za [129.232.249.200]
    SMTP error from remote mail server after RCPT TO:<info@khambule.co.za>:
    550 Unroutable address
  info@khaishen.com
    host mx1.filtermail.com.my [130.117.53.188]
    SMTP error from remote mail server after end of data:
    550 High probability of spam