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  haas@fnmidas.co.za
    host mail-gateway.imaginet.co.za [41.78.29.100]
    SMTP error from remote mail server after RCPT TO:<haas@fnmidas.co.za>:
    550 5.7.1 Service unavailable; client [52.221.55.32] blocked using b.barracudacentral.org
  hac@iafrica.com
    host nav-gateway.mweb.co.za [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<hac@iafrica.com>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  habibm@dohcps.kzntl.gov.za
    host securemail-mx2.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<habibm@dohcps.kzntl.gov.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  habass@per.ncape.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<habass@per.ncape.gov.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32