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:

  gg@jigsaw.co.za
    host mail.jigsaw.co.za [129.232.251.66]
    SMTP error from remote mail server after RCPT TO:<gg@jigsaw.co.za>:
    550 Unroutable address
  gg@tlga.kzntl.gov.za
    host securemail-mx2.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<gg@tlga.kzntl.gov.za>:
    550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=13.251.197.89
  gftawg@263.net
    host mxw.263.net [38.83.106.85]
    SMTP error from remote mail server after RCPT TO:<gftawg@263.net>:
    550 gftawg@263.net:user locked
  gfzondagh@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<gfzondagh@mweb.co.za>:
    550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=13.251.197.89
  gfm@pentanet.co.za
    host mail.pentanet.co.za [196.22.142.216]
    SMTP error from remote mail server after RCPT TO:<gfm@pentanet.co.za>:
    550 Unroutable address
  gg@maxxg.co.za
    host maxxg-co-za.mail.protection.outlook.com [104.47.5.36]
    SMTP error from remote mail server after RCPT TO:<gg@maxxg.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [HE1EUR02FT019.eop-EUR02.prod.protection.outlook.com]
  gfws@fieramilano.it
    host mxb-004f4a01.gslb.pphosted.com [185.132.183.84]
    SMTP error from remote mail server after RCPT TO:<gfws@fieramilano.it>:
    550 5.1.1 User Unknown
  gfredericks@westridgess.net
    host spe.ucebox.co.za [197.242.159.25]
    SMTP error from remote mail server after RCPT TO:<gfredericks@westridgess.net>:
    550 No Such User Here
  gferreira@newtons.co.za
    host newtons-co-za.mail.protection.outlook.com [104.47.19.110]
    SMTP error from remote mail server after RCPT TO:<gferreira@newtons.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [JN2ZAF01FT008.eop-zaf01.prod.protection.outlook.com]
  gfritz.wcpdrp01.wcdcus03@pgwc.gov.za
    host pgwc-gov-za.mail.protection.outlook.com [104.47.9.36]
    SMTP error from remote mail server after RCPT TO:<gfritz.wcpdrp01.wcdcus03@pgwc.gov.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR03FT014.eop-EUR03.prod.protection.outlook.com]
  gfor.wcptbh01.wcdtbh01@pgwc.gov.za
    host pgwc-gov-za.mail.protection.outlook.com [104.47.9.36]
    SMTP error from remote mail server after RCPT TO:<gfor.wcptbh01.wcdtbh01@pgwc.gov.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR03FT014.eop-EUR03.prod.protection.outlook.com]
  gfr@pretorianews.co.za
    host aspmx.l.google.com [172.217.194.26]
    SMTP error from remote mail server after RCPT TO:<gfr@pretorianews.co.za>:
    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 h69si14302783pge.678 - gsmtp
  gffjus001@mail.uct.ac.za
    all hosts for 'mail.uct.ac.za' have been failing for a long time (and retry time not reached)