Mail delivery failed: returning message to sender

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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:

  francoisb@ct.megapro.co.za
    host ct.megapro.co.za [197.242.144.34]
    SMTP error from remote mail server after RCPT TO:<francoisb@ct.megapro.co.za>:
    550-Please turn on SMTP Authentication in your mail client.
    550-omr02.orchid.atmailcloud.com [13.251.164.127]:42536 is not permitted to
    550 relay through this server without authentication.
  francois@biometrics.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.201]
    SMTP error from remote mail server after RCPT TO:<francois@biometrics.co.za>:
    550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [yx7IHVFMOkKfPF9FSyR88g.za59]
  francoist@tecroveer.co.za
    host tecroveer-co-za.mail.protection.outlook.com [104.47.8.36]
    SMTP error from remote mail server after RCPT TO:<francoist@tecroveer.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [AM5EUR03FT044.eop-EUR03.prod.protection.outlook.com]
  francoisjr@zama.co.za
    host zama.co.za [197.242.149.174]
    SMTP error from remote mail server after RCPT TO:<francoisjr@zama.co.za>:
    550 5.1.1 <francoisjr@zama.co.za>: Recipient address rejected:
    User unknown in virtual mailbox table
  francoisj@uniqueflavors.co.za
    host mail.uniqueflavors.co.za [156.38.230.204]
    SMTP error from remote mail server after RCPT TO:<francoisj@uniqueflavors.co.za>:
    550 Unroutable address
  francoisits@lorge.co.za
    host lorge-co-za.mail.protection.outlook.com [104.47.5.36]
    SMTP error from remote mail server after RCPT TO:<francoisits@lorge.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [HE1EUR02FT051.eop-EUR02.prod.protection.outlook.com]
  francoistsd@global.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<francoistsd@global.co.za>:
    550 rejected because recipient verify failed -- user not found
  francois.f@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<francois.f@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  francois.d@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<francois.d@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  francoisvisagie@mtnloaded.co.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<francoisvisagie@mtnloaded.co.za>:
    550 rejected because recipient verify failed -- user not found
  Francois.Lfhranhf@didata.com
    host eu-smtp-inbound-1.mimecast.com [195.130.217.241]
    SMTP error from remote mail server after RCPT TO:<Francois.Lfhranhf@didata.com>:
    550 Unknown Recipient - https://community.mimecast.com/docs/DOC-1369#550 [asVFVjZDMYexKds-cSd9HA.uk212]
  francois.bezuidenhout@za.pwc.com
    host mx08-00096701.pphosted.com [91.207.212.1]
    SMTP error from remote mail server after RCPT TO:<francois.bezuidenhout@za.pwc.com>:
    550 5.1.1 User Unknown
  francois@wenhaus.co.za
    host mx495579.spe.ucebox.co.za [197.242.159.20]
    SMTP error from remote mail server after RCPT TO:<francois@wenhaus.co.za>:
    550 \"Discard with error to sender"
  francois.janse-van-vuuren@alstom.co.za
    all hosts for 'alstom.co.za' have been failing for a long time (and retry time not reached)
  francois@treehouse.co.za
    host treehouse.co.za [196.22.133.187]
    SMTP error from remote mail server after RCPT TO:<francois@treehouse.co.za>:
    550 relay not permitted
  FRANCOIS@R-S-s.co.za
    host mail.r-s-s.co.za [41.204.200.197]
    SMTP error from remote mail server after RCPT TO:<FRANCOIS@R-S-s.co.za>:
    550 Unroutable address
  francois@kingsgroup.co.za
    host mail.kingsgroup.co.za [196.22.142.126]
    SMTP error from remote mail server after RCPT TO:<francois@kingsgroup.co.za>:
    550 Unroutable address
  francois@gullfoods.co.za
    host mx1.improvmx.com [51.91.128.125]
    SMTP error from remote mail server after RCPT TO:<francois@gullfoods.co.za>:
    550 5.1.9 Relay not permitted. (#id-5.9.2) - ImprovMX
  francois@krugerinternational.co.za
    host cluster1.eu.messagelabs.com [85.158.142.202]
    SMTP error from remote mail server after RCPT TO:<francois@krugerinternational.co.za>:
    550-Invalid recipient <francois@krugerinternational.co.za>
    550 (#5.1.1)

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From: "BEN JOHNSON" <mauve-patches@sourceware.org>
To: Recipients <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 14:33:22 +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