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: deon@systemlink.co.za host systemlink.co.za [129.232.190.34] SMTP error from remote mail server after RCPT TO:: 550 Unrouteable address DEOLENE.WOODMAN@ESKOM.CO.ZA host mx1.eskom.seagatestoragecloud.co.za [169.239.240.92] SMTP error from remote mail server after RCPT TO:: 550-Callout verification failed: 550 550 5.1.1 User unknown deon@naschem.denel.co.za all hosts for 'naschem.denel.co.za' have been failing for a long time (and retry time not reached) deon@hadcom.co.za host mail.hadcom.co.za [188.40.1.119] SMTP error from remote mail server after RCPT TO:: 550 Unroutable address deon@boksburghiking.co.za host mail.boksburghiking.co.za [41.76.111.28] SMTP error from remote mail server after RCPT TO:: 550 No Such User Here denzylo@debis.co.za all hosts for 'debis.co.za' have been failing for a long time (and retry time not reached)