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  jadbeer@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<jadbeer@mweb.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
  jadams@iafrica.com
    host nav-gateway.mweb.co.za [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<jadams@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
  jade.colley@hays.com
    host eu-smtp-inbound-1.mimecast.com [91.220.42.211]
    SMTP error from remote mail server after RCPT TO:<jade.colley@hays.com>:
    550 Unknown Recipient - https://community.mimecast.com/docs/DOC-1369#550 [R3hZlXsmNJ6LkDlCvk7r4w.uk209]
  jade@insitetraining.net
    host mx1.hanami.run [88.198.106.195]
    SMTP error from remote mail server after RCPT TO:<jade@insitetraining.net>:
    550 5.1.0 Requested action not taken: mailbox unavailable