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: justinh@samsung.co.za retry timeout exceeded justinh@quest.co.za host za-smtp-inbound-2.mimecast.co.za [41.74.193.210] SMTP error from remote mail server after RCPT TO:: 550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [WMCLJZmjNS25oZ-Uae_VSw.za107] justingoodwin@africanbank.co.za host za-smtp-inbound-2.mimecast.co.za [41.74.193.210] SMTP error from remote mail server after RCPT TO:: 550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [WMCLJZmjNS25oZ-Uae_VSw.za107] justinr@nedcor.co.za host mxgw05.nedbank.co.za [168.142.192.39] SMTP error from remote mail server after RCPT TO:: 550 #5.1.0 Address rejected. justint@workforce.co.za host workforce-co-za.mail.protection.outlook.com [104.47.5.36] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [HE1EUR02FT006.eop-EUR02.prod.protection.outlook.com] justinp@ivolve.co.za host ivolve-co-za.mail.protection.outlook.com [104.47.1.36] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR01FT019.eop-EUR01.prod.protection.outlook.com] justinl@multifranchise.co.za host multifranchise-co-za.mail.protection.outlook.com [104.47.5.36] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [HE1EUR02FT027.eop-EUR02.prod.protection.outlook.com] justinmh@couzyn.co.za host mx01a-za.hornetsecurity.com [129.232.203.90] SMTP error from remote mail server after RCPT TO:: 554 5.7.1 : Domain/User unknown justing95w5827@giraffe.ru.ac.za all hosts for 'giraffe.ru.ac.za' have been failing for a long time (and retry time not reached)