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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:

  dsfaf@humansdorp.ng.org.za
    host humansdorp.ng.org.za [72.9.157.238]
    SMTP error from remote mail server after RCPT TO:<dsfaf@humansdorp.ng.org.za>:
    550 No Such User Here
  dsdeon@humansdorp.ng.org.za
    host humansdorp.ng.org.za [72.9.157.238]
    SMTP error from remote mail server after RCPT TO:<dsdeon@humansdorp.ng.org.za>:
    550 Mailbox is full / Blocks limit exceeded / Inode limit exceeded
  dsd@compute.co.za
    host spamtitan.compute.co.za [196.45.177.48]
    SMTP error from remote mail server after RCPT TO:<dsd@compute.co.za>:
    550 5.1.1 <dsd@compute.co.za>: Recipient address rejected:
    undeliverable address: host 196.45.177.55[196.45.177.55] said:
    550 5.1.1 User unknown (in reply to RCPT TO command)
  dsg@stmarys.pta.school.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<dsg@stmarys.pta.school.za>:
    550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=13.251.197.89
  dsdw@iafrica.com
    host nav-gateway.mweb.co.za [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dsdw@iafrica.com>:
    550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=13.251.197.89
  dsdfkock@iafrica.com
    host nav-gateway.mweb.co.za [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dsdfkock@iafrica.com>:
    550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=13.251.197.89
  dsemwayo@cs.uct.ac.za
    host hotstuff-3.cs.uct.ac.za [137.158.160.143]
    SMTP error from remote mail server after RCPT TO:<dsemwayo@cs.uct.ac.za>:
    550 Gone away."
  dsellars@cs.uct.ac.za
    host hotstuff-3.cs.uct.ac.za [137.158.160.143]
    SMTP error from remote mail server after RCPT TO:<dsellars@cs.uct.ac.za>:
    550 please use duncan@peralex.com"
  dseaward@cs.uct.ac.za
    host hotstuff-3.cs.uct.ac.za [137.158.160.143]
    SMTP error from remote mail server after RCPT TO:<dseaward@cs.uct.ac.za>:
    550 Gone away."
  dscsawfstchasf@msn.com
    host msn-com.olc.protection.outlook.com [104.47.66.33]
    SMTP error from remote mail server after RCPT TO:<dscsawfstchasf@msn.com>:
    550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302).
  dsdsfx9@qq.com
    host mx3.qq.com [203.205.219.57]
    SMTP error from remote mail server after end of data:
    550 Mailbox unavailable or access denied [MOsGrctxDlVSpIl5xnJ7JzNEhVha3ks+vIwcEqlOlx7MUHiY+JV+QZqsg9OQsVVGhw==  IP:
    13.251.197.89].