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: elda.jordaan@megabus.co.za host za-smtp-inbound-2.mimecast.co.za [41.74.193.201] SMTP error from remote mail server after end of data: 554 Email rejected due to security policies - https://community.mimecast.com/docs/DOC-1369#554 [zSarQSCsOxCe5nv7ODLr3g.za135] eldonj@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found elderabuse@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found elcon.gas@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found eldon@phinc.co.za host mailx.phinc.co.za [102.132.13.98] SMTP error from remote mail server after RCPT TO:: 554 5.7.1 E-mail firewall rules determined that 13.251.146.0 is not allowed to send e-mail to (*)eldon@phinc.co.za.