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:

  amith007@ananzi.co.za
    host mx.cloudafrica.email [41.79.76.130]
    SMTP error from remote mail server after RCPT TO:<amith007@ananzi.co.za>:
    550 5.1.1 <amith007@ananzi.co.za>: Recipient address rejected:
    undeliverable address: host 10.0.35.24[10.0.35.24] said:
    550 Rejected - Invalid recipient address (in reply to RCPT TO command)
  amishi@pan.uzulu.ac.za
    all hosts for 'pan.uzulu.ac.za' have been failing for a long time (and retry time not reached)
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From: "BEN JOHNSON" <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 13:48:20 +0800
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