Mail delivery failed: returning message to sender

[Singnet Mail Delivery System]

This message was created automatically by mail delivery software.

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:

  albosman@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<albosman@mweb.co.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
  albmfyn@eetmind.ecape.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<albmfyn@eetmind.ecape.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
  alborough@vodamail.co.za
    host mx1.vodamail.co.za [196.11.146.148]
    SMTP error from remote mail server after RCPT TO:<alborough@vodamail.co.za>:
    550 5.1.1 <alborough@vodamail.co.za>: Recipient address rejected:
    User unknown in local recipient table
  albiechrista@vodamail.co.za
    host mx1.vodamail.co.za [196.11.146.148]
    SMTP error from remote mail server after RCPT TO:<albiechrista@vodamail.co.za>:
    550 5.1.1 <albiechrista@vodamail.co.za>: Recipient address rejected:
    User unknown in local recipient table
  albie@scinet.up.ac.za
    host kendy.up.ac.za [137.215.101.101]
    SMTP error from remote mail server after RCPT TO:<albie@scinet.up.ac.za>:
    530 Relaying not allowed
  albi.modise@treasury.gov.za
    host treasury-gov-za.mail.protection.outlook.com [104.47.9.36]
    SMTP error from remote mail server after RCPT TO:<albi.modise@treasury.gov.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR03FT057.eop-EUR03.prod.protection.outlook.com]
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From: "BEN JOHNSON" <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 13:45:50 +0800
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