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  amias@its.uct.ac.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.193.201]
    SMTP error from remote mail server after end of data:
    554 Email rejected due to security policies - https://community.mimecast.com/docs/DOC-1369#554 [-CQL5YdhPzuXzWd0h2VEGw.za135]
  amichael@pawc.wcape.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<amichael@pawc.wcape.gov.za>:
    550-rejected because 13.251.245.207 is in a black list at
    550-b.barracudacentral.org
    550 http://www.barracudanetworks.com/reputation/?pr=1&ip=13.251.245.207
  amhangu@leg.ncape.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<amhangu@leg.ncape.gov.za>:
    550-rejected because 13.251.245.207 is in a black list at
    550-b.barracudacentral.org
    550 http://www.barracudanetworks.com/reputation/?pr=1&ip=13.251.245.207
  ami1@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<ami1@mweb.co.za>:
    550-rejected because 13.251.245.207 is in a black list at
    550-b.barracudacentral.org
    550 http://www.barracudanetworks.com/reputation/?pr=1&ip=13.251.245.207
  amhrelationshipcenter7@fin-serv.co.za
    host finserv-co-za0i.mail.protection.outlook.com [104.47.5.36]
    SMTP error from remote mail server after RCPT TO:<amhrelationshipcenter7@fin-serv.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [HE1EUR02FT059.eop-EUR02.prod.protection.outlook.com]