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: john.jenkins@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 john.grainger@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 john.moletsane@kpmg.co.za host mxa-00120b02.gslb.pphosted.com [67.231.156.124] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 User Unknown John.Lewis@AspenPointe.org host d153572a.ess.barracudanetworks.com [209.222.82.255] SMTP error from remote mail server after end of data: 550 permanent failure for one or more recipients (john.lewis@aspenpointe.org:blocked) john.jones@icl.co.za host ASPMX.L.GOOGLE.COM [74.125.130.27] SMTP error from remote mail server after RCPT TO:: 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 k145si16140562pfd.312 - gsmtp john.harper@sandown.co.za host one.mail-in.daimler.com [141.113.0.25] SMTP error from remote mail server after RCPT TO:: 550 #5.1.0 Address rejected. john.heathfield@canon.co.za host canon-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) [HE1EUR02FT041.eop-EUR02.prod.protection.outlook.com] john.mashao@xps.cfgrp.co.za host in.hes.trendmicro.eu [52.58.62.238] SMTP error from remote mail server after RCPT TO:: 554 5.7.1 : Recipient address rejected: NO-DOMAIN. john.october@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 john.lowth@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 john.guida@wol.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 john.hawaby@minproc.co.za all hosts for 'minproc.co.za' have been failing for a long time (and retry time not reached) john.halstead@siemens.co.za all hosts for 'siemens.co.za' have been failing for a long time (and retry time not reached) john.deklerk@spar.co.za host spar-co-za.mail.protection.outlook.com [104.47.0.36] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [HE1EUR01FT016.eop-EUR01.prod.protection.outlook.com] john.doe@vodamail.co.za host mx1.vodamail.co.za [196.11.146.148] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 : Recipient address rejected: User unknown in local recipient table