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: all@maties.sun.ac.za host mail2.sun.ac.za [146.232.64.14] SMTP error from remote mail server after RCPT TO:: 550 alizwaazola@icloud.com host mx01.mail.icloud.com [17.56.9.17] SMTP error from remote mail server after pipelined end of data: 554 5.7.1 [CS01] Message rejected due to local policy. Please visit https://support.apple.com/en-us/HT204137 all@saasta.ac.za host mail.saasta.ac.za [196.21.206.98] SMTP error from remote mail server after RCPT TO:: 554 5.7.1 : Recipient address rejected: Access denied all-trad@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 all-plaz@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 alken@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 alizannee@8seconds.co.za host mail.8seconds.co.za [197.221.14.53] SMTP error from remote mail server after RCPT TO:: 550 Unroutable address all.i.need@fnbisp.co.za all hosts for 'fnbisp.co.za' have been failing for a long time (and retry time not reached) aljeppe@co.za host mx2.dns.business [147.135.106.239] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 : Recipient address rejected: User unknown in virtual alias table alkisp@aviation.denel.co.za all hosts for 'aviation.denel.co.za' have been failing for a long time (and retry time not reached)