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: gerhard@vvb.co.za host tiger.zaisp.net [196.25.187.132] SMTP error from remote mail server after RCPT TO:: 550 unknown user GERHARDSTM@MWEBBIZ.CO.ZA host corpmx.worldonline.co.za [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 gerharddb@algoabrick.co.za host mail.algoabrick.co.za [197.221.14.25] SMTP error from remote mail server after RCPT TO:: 550 Unroutable address gerhardvdm@aviation.denel.co.za all hosts for 'aviation.denel.co.za' have been failing for a long time (and retry time not reached) gerhardb@cmservices.co.za host mfw.busgateway.is.co.za [196.35.198.158] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 gerharde@alk.co.za host alk-co-za.mail.protection.outlook.com [104.47.4.36] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [AM5EUR02FT061.eop-EUR02.prod.protection.outlook.com] Gerhard.kotzee@dawnltd.co.za host dawnltd.co.za [154.0.166.217] SMTP error from remote mail server after RCPT TO:: 554 5.7.1 : Relay access denied gerhard.vermeulen@pems.co.za host smtp.secureserver.net [68.178.213.37] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 Recipient not found. gerhard.louw@za.ey.com host mx2.hc289-33.eu.iphmx.com [207.54.70.238] SMTP error from remote mail server after RCPT TO:: 550 #5.1.0 Address rejected. gerhard.roos@labour.gov.za host securemail-mx2.synaq.com [196.35.198.158] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 gerhard.jansenvrensburg@labour.gov.za host securemail-mx2.synaq.com [196.35.198.158] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 gerhard.grundeling@me.com host mx02.mail.icloud.com [17.57.154.7] 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 gerhard.pretorius@dcs.gov.za host securemail-mx1.synaq.com [196.35.198.158] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 gerhard.botha@smdgroup.co.za host securemail-mx1.synaq.com [196.35.198.158] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 gerhard.coetzee@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. gerhard@golfruleafrica.com host mx1.hugemail.co.za [130.117.53.188] SMTP error from remote mail server after end of data: 550 High probability of spam gerhard@nightwing.co.za host mx1.morphogine.com [169.62.134.210] SMTP error from remote mail server after RCPT TO:: 550 No such account gerhardlemmer@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 gerhardbotha@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 gerdaryn@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 gerdav@saendovascular.com host 1-grid-mx04.com [41.61.249.80] SMTP error from remote mail server after RCPT TO:: 554 5.7.1 Service unavailable; Client host [13.251.245.207] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=13.251.245.207 gerhard@vvbconstruction.co.za host blizzard.mxrouting.net [49.12.86.50] SMTP error from remote mail server after RCPT TO:: 550 authentication required gerhad@vvbconstruction.co.za host blizzard.mxrouting.net [49.12.86.50] SMTP error from remote mail server after RCPT TO:: 550 authentication required