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  abosman@africanbank.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<abosman@africanbank.co.za>:
    550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [0jI1v6WGNPW4tAkVBcKqyw.za31]
  abotes@crownnational.co.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.210]
    SMTP error from remote mail server after RCPT TO:<abotes@crownnational.co.za>:
    550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [NNnp9q_5MKyo0WBivHOq_g.za116]
  abrahamsa@ael.co.za
    host ael.co.za [197.221.14.64]
    SMTP error from remote mail server after RCPT TO:<abrahamsa@ael.co.za>:
    550 relay not permitted
  abrahammokheseng@dcs.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<abrahammokheseng@dcs.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
  abrahamd@social.mpu.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<abrahamd@social.mpu.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
  abrahamc@social.mpu.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<abrahamc@social.mpu.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
  abotha@leg.ncape.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<abotha@leg.ncape.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
  aboon@mogalakwena.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<aboon@mogalakwena.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
  abongile.ntunja@dpw.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<abongile.ntunja@dpw.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
  abraham.motlhabane@nwu.ac.za
    host utl-lnx2.nwu.ac.za [143.160.36.152]
    SMTP error from remote mail server after RCPT TO:<abraham.motlhabane@nwu.ac.za>:
    550 5.0.0 <abraham.motlhabane@nwu.ac.za>... User unknown
  abooysen@sunbake.co.za
    host mail.sunbake.co.za [129.232.251.212]
    SMTP error from remote mail server after RCPT TO:<abooysen@sunbake.co.za>:
    550 Unroutable address
  aborwick@jppza.jnj.com
    host mx1.jnj-sd.iphmx.com [207.54.86.72]
    SMTP error from remote mail server after DATA:
    550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.