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:

  irn@yebo.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<irn@yebo.co.za>:
    550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=13.251.245.207
  iro@roundtable.co.za
    host 1-grid-mx01.co.za [41.185.250.90]
    SMTP error from remote mail server after RCPT TO:<iro@roundtable.co.za>:
    554 5.7.1 Service unavailable; Client host [13.251.245.207] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=13.251.245.207
  iron_ant@hotmail.com
    host hotmail-com.olc.protection.outlook.com [104.47.17.97]
    SMTP error from remote mail server after RCPT TO:<iron_ant@hotmail.com>:
    550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302).
  iro@cdm.org.za
    host cdm-org-za.mail.protection.outlook.com [104.47.9.36]
    SMTP error from remote mail server after RCPT TO:<iro@cdm.org.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR03FT005.eop-EUR03.prod.protection.outlook.com]
  Irmelind@aimacademy.co.za
    host mx1.improvmx.com [51.91.128.110]
    SMTP error from remote mail server after RCPT TO:<Irmelind@aimacademy.co.za>:
    550 5.1.9 Relay not permitted. (#id-5.9.2) - ImprovMX
  irisrecruitmentsolutions@vodamail.co.za
    host mx1.vodamail.co.za [196.11.146.148]
    SMTP error from remote mail server after RCPT TO:<irisrecruitmentsolutions@vodamail.co.za>:
    550 5.1.1 <irisrecruitmentsolutions@vodamail.co.za>:
    Recipient address rejected: User unknown in local recipient table
  Irmgard.PANZER@agrana.com
    host agrana-com.mail.protection.outlook.com [104.47.6.36]
    SMTP error from remote mail server after RCPT TO:<Irmgard.PANZER@agrana.com>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR02FT039.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 14:52:54 +0800
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