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:

  dannysglass@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dannysglass@mweb.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
  dannyn@iafrica.com
    host nav-gateway.mweb.co.za [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<dannyn@iafrica.com>:
    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
  dannyleons@hotmail.com
    host hotmail-com.olc.protection.outlook.com [104.47.17.97]
    SMTP error from remote mail server after RCPT TO:<dannyleons@hotmail.com>:
    550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302). [DB8EUR05FT026.eop-eur05.prod.protection.outlook.com]
  dannycronje@hotmail.com
    host hotmail-com.olc.protection.outlook.com [104.47.17.97]
    SMTP error from remote mail server after RCPT TO:<dannycronje@hotmail.com>:
    550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302).
  dannyk@imperial.co.za
    host imperial-co-za.mail.protection.outlook.com [104.47.10.36]
    SMTP error from remote mail server after RCPT TO:<dannyk@imperial.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [DB5EUR03FT053.eop-EUR03.prod.protection.outlook.com]
  dannyv@tibco.com
    host aspmx.l.google.com [74.125.24.27]
    SMTP error from remote mail server after RCPT TO:<dannyv@tibco.com>:
    550-5.1.1 The email account that you tried to reach does not exist. Please try
    550-5.1.1 double-checking the recipient's email address for typos or
    550-5.1.1 unnecessary spaces. Learn more at
    550 5.1.1  https://support.google.com/mail/?p=NoSuchUser b23si17028396pjo.106 - gsmtp
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From: "BEN JOHNSON" <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 14:21:27 +0800
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