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:

  dsm@minds.co.za
    host minds.co.za [156.38.242.58]
    SMTP error from remote mail server after RCPT TO:<dsm@minds.co.za>:
    550 No Such User Here"
  dshires@global.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dshires@global.co.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
  DSIZIBA@MPG.GOV.ZA
    host securemail-mx2.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<DSIZIBA@MPG.GOV.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
  dshirly@iafrica.com
    host nav-gateway.mweb.co.za [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dshirly@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
  dskilton1@juno.com
    all hosts for 'juno.com' have been failing for a long time (and retry time not reached)