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  amanda10@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<amanda10@mweb.co.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
  Amanda20@vodamail.co.za
    host mx1.vodamail.co.za [196.11.146.148]
    SMTP error from remote mail server after RCPT TO:<Amanda20@vodamail.co.za>:
    550 5.1.1 <Amanda20@vodamail.co.za>: Recipient address rejected:
    User unknown in local recipient table