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:

  alfred@vidosecurity.co.za
    host vidosecurity.co.za [41.76.109.95]
    SMTP error from remote mail server after RCPT TO:<alfred@vidosecurity.co.za>:
    550 Unrouteable address
  alfred@compustaff.co.za
    host mx535759.spe.ucebox.co.za [197.242.152.135]
    SMTP error from remote mail server after RCPT TO:<alfred@compustaff.co.za>:
    550 No such person at this address
  Alfred.ZEHENTNER@agrana.com
    host agrana-com.mail.protection.outlook.com [104.47.6.36]
    SMTP error from remote mail server after RCPT TO:<Alfred.ZEHENTNER@agrana.com>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR02FT028.eop-EUR02.prod.protection.outlook.com]
  alfonzo@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<alfonzo@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  alfjacobs@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<alfjacobs@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  alfonso.zamora@keystonerealty.com
    host smtp.secureserver.net [68.178.213.203]
    SMTP error from remote mail server after RCPT TO:<alfonso.zamora@keystonerealty.com>:
    550 5.1.1 <alfonso.zamora@keystonerealty.com> Recipient not found.  <http://x.co/irbounce>
  alfred-pippins@helpnerve.com
    all hosts for 'helpnerve.com' have been failing for a long time (and retry time not reached)
  alfred@vmaarchitects.com
    host ASPMX.L.GOOGLE.com [142.250.4.27]
    SMTP error from remote mail server after RCPT TO:<alfred@vmaarchitects.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 i3si17589807pjt.55 - gsmtp
  alfjandracarrasco@msn.com
    host msn-com.olc.protection.outlook.com [104.47.17.97]
    SMTP error from remote mail server after RCPT TO:<alfjandracarrasco@msn.com>:
    550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302).
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From: "BEN JOHNSON" <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 13:46:15 +0800
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