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: jwishart@m-web.co.za host nav-gw3.mweb.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 jwolhuter@zacpak.co.za host za-smtp-inbound-1.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 [Kim9m77MMtyL0g_Ef2d6PA.za77] jwixley@canegrowers.co.za host za-smtp-inbound-2.mimecast.co.za [41.74.193.210] 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 [TXwznGE-OvSyP1MwCr6Btw.za31] jwright@cs.uct.ac.za host hotstuff-4.cs.uct.ac.za [137.158.160.142] SMTP error from remote mail server after RCPT TO:: 550 no longer works here" JWoold@csir.co.za host pta-smg2.csir.co.za [146.64.81.181] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 : Recipient address rejected: undeliverable address: host csir-co-za.mail.protection.outlook.com[104.47.5.36] said: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [HE1EUR02FT027.eop-EUR02.prod.protection.outlook.com] (in reply to RCPT TO command) jwitbooi@csir.co.za host pta-smg2.csir.co.za [146.64.81.181] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 : Recipient address rejected: undeliverable address: host csir-co-za.mail.protection.outlook.com[104.47.4.36] said: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [AM5EUR02FT031.eop-EUR02.prod.protection.outlook.com] (in reply to RCPT TO command) jwr@mtnloaded.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 jwouters@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 jwo@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 jwoods@sli.wcape.gov.za all hosts for 'sli.wcape.gov.za' have been failing for a long time (and retry time not reached) jwinter@lifesensefs.co.za host lifesensefs-co-za.mail.protection.outlook.com [104.47.19.110] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [JN2ZAF01FT016.eop-zaf01.prod.protection.outlook.com]