Mail delivery failed: returning message to sender

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A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  amandal@rba.za.net
    host mail.rba.za.net [41.203.18.216]
    SMTP error from remote mail server after RCPT TO:<amandal@rba.za.net>:
    550 Unroutable address
  AmandaM@adcorp.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    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 [S4y59bf3Moae5lwfsDsb0A.za83]
  AmandaL@ecdhs.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<AmandaL@ecdhs.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
  amandajoubert@tatasa.co.za
    host tatasa-co-za.mail.protection.outlook.com [104.47.5.36]
    SMTP error from remote mail server after RCPT TO:<amandajoubert@tatasa.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [HE1EUR02FT026.eop-EUR02.prod.protection.outlook.com]
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From: "BEN JOHNSON" <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 13:47:44 +0800
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