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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:

  admin@boatsonline.co.za
    host mx1.tld-mx.com [169.239.218.2]
    SMTP error from remote mail server after end of data:
    550 High probability of spam
  admin@bizservcs.co.za
    host mail.bizservcs.co.za [129.232.238.179]
    SMTP error from remote mail server after RCPT TO:<admin@bizservcs.co.za>:
    550 5.1.1 <admin@bizservcs.co.za>... User unknown
  admin@auegcas.org
    host auegcas.org [103.8.25.94]
    SMTP error from remote mail server after RCPT TO:<admin@auegcas.org>:
    550 No Such User Here
  admin@apmg2018.com
    host apmg2018.com [162.250.124.219]
    SMTP error from remote mail server after RCPT TO:<admin@apmg2018.com>:
    550 No Such User Here
  admin@beautymyth.com.my
    host mail.beautymyth.com.my [103.21.180.40]
    SMTP error from remote mail server after end of data:
    550-This message scored 30.0 spam points. check your e-mail content and resend
    550 again.
  admin@arrowtrading.co.za
    host gateway.webaware.co.za [129.232.157.135]
    SMTP error from remote mail server after RCPT TO:<admin@arrowtrading.co.za>:
    550-5.5.1 Your country has been blacklisted. See
    550-http://spamauditor.org/best-practices/empowering-your-users/ for more
    550-information.. Protection provided by MagicSpam 2.1-16.3
    550 http://www.magicspam.com
  admin@baidu.com
    host mx.maillb.baidu.com [119.63.196.201]
    SMTP error from remote mail server after RCPT TO:<admin@baidu.com>:
    550 5.1.1 <admin@baidu.com>... User unknown
  admin@arduinostartups.com
    all hosts for 'arduinostartups.com' have been failing for a long time (and retry time not reached)