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:

  keith@fcc.co.za
    retry timeout exceeded
  keith@dobsontrans.co.za
    host mail.dobsontrans.co.za [154.0.164.145]
    SMTP error from remote mail server after RCPT TO:<keith@dobsontrans.co.za>:
    550 Mailbox dobsoimj is unattended"
  keith@bake.co.za
    host bake.co.za [109.74.201.20]
    SMTP error from remote mail server after RCPT TO:<keith@bake.co.za>:
    550 No Such User Here
  keith@adventours.co.za
    host dc-883ba81f9754.adventours.co.za [156.38.217.146]
    SMTP error from remote mail server after RCPT TO:<keith@adventours.co.za>:
    550 No Such User Here
  keith@george.org.za
    host george-org-za.mail.protection.outlook.com [104.47.9.36]
    SMTP error from remote mail server after RCPT TO:<keith@george.org.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR03FT050.eop-EUR03.prod.protection.outlook.com]
  keith@dunroven.co.za
    all hosts for 'dunroven.co.za' have been failing for a long time (and retry time not reached)
  keith@blankcanvas.co.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<keith@blankcanvas.co.za>:
    550 rejected because recipient verify failed -- user not found
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An embedded message was scrubbed...
From: "BEN JOHNSON" <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 15:09:25 +0800
Size: 1723
URL: <https://sourceware.org/pipermail/mauve-patches/attachments/20211129/eea3b33a/attachment-0001.eml>