Mail delivery failed: returning message to sender

[Singnet Mail Delivery System <noreply@singnet.com.sg>]

[-- Attachment #1: Type: text/plain, Size: 3176 bytes --]

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:

  alten@keurofs.com
    host fallbackmx.spamexperts.eu [149.13.75.27]
    SMTP error from remote mail server after end of data:
    550 High probability of spam
  althea@felix.co.za
    host mail.felix.co.za [196.22.142.73]
    SMTP error from remote mail server after RCPT TO:<althea@felix.co.za>:
    550 Unroutable address
  aluall@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<aluall@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  alu_glass@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<alu_glass@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  alu3000@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<alu3000@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  altransporthire@wol.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<altransporthire@wol.co.za>:
    550 rejected because recipient verify failed -- user not found
  altraining@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<altraining@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  altrafreeze@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<altrafreeze@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  altone@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<altone@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  altheamartens@polka.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<altheamartens@polka.co.za>:
    550 rejected because recipient verify failed -- user not found
  altfan@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<altfan@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  altavz@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<altavz@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  altru@vodamail.co.za
    host mx1.vodamail.co.za [196.11.146.148]
    SMTP error from remote mail server after RCPT TO:<altru@vodamail.co.za>:
    550 5.1.1 <altru@vodamail.co.za>: Recipient address rejected:
    User unknown in local recipient table
  altheaa@nedbank.co.za
    host mxgw14.nedbank.co.za [168.142.192.93]
    SMTP error from remote mail server after DATA:
    550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.

[-- Attachment #2: Type: message/delivery-status, Size: 2847 bytes --]

[-- Attachment #3: Type: message/rfc822, Size: 1680 bytes --]

From: "BEN JOHNSON" <mauve-patches@sourceware.org>
To: Recipients <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 13:47:28 +0800

Good Day,
 An exhaustive and meticulous search was conducted and it is in connection with this search that I'm writing to you today base on your surname which you share with a client that is now deceased. Revert back to me for more details to be given to you. 
 Sincerely,
Barr Ben Johnson