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  dat@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dat@mweb.co.za>:
    550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=13.251.245.207
  dassenberg@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dassenberg@mweb.co.za>:
    550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=13.251.245.207
  data@executivesonline.co.uk
    host executivesonline-co-uk.mail.protection.outlook.com [104.47.6.36]
    SMTP error from remote mail server after RCPT TO:<data@executivesonline.co.uk>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR02FT049.eop-EUR02.prod.protection.outlook.com]
  datcon@ilink.nis.za
    Unrouteable address