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: krishg@sovhealth.co.za retry timeout exceeded kris@turners-shipping.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 [Kof2hgkRNke3hgevQSvNzg.za91] krishm@iafrica.com host nav-gateway.mweb.co.za [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 krishg@kznedu.kzntl.gov.za host securemail-mx2.synaq.com [196.35.198.158] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 krishm@uniprint.co.za host uniprint-co-za.mail.protection.outlook.com [104.47.10.36] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [DB5EUR03FT038.eop-EUR03.prod.protection.outlook.com] krishna@nfmho.co.za all hosts for 'nfmho.co.za' have been failing for a long time (and retry time not reached) krishl@tankerservices.co.za host tankerservices-co-za.mail.protection.outlook.com [104.47.8.36] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [AM5EUR03FT048.eop-EUR03.prod.protection.outlook.com] krish.swamivel@kznhealth.gov.za host securemail-mx1.synaq.com [196.35.198.158] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 krish@myisp.co.za host mxc02.mxrc.co.za [196.35.198.158] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 krish_padayachee@sasa.org.za host smtp.sasa.org.za [41.162.5.138] SMTP error from remote mail server after RCPT TO:: 550 Rule imposed as mauve-patches@sourceware.org is blacklisted on Trustwave Email IP Reputation Service - see rbladmin.trustwave.com/?ip=13.251.197.89 krish.naidoo@shell.co.za all hosts for 'shell.co.za' have been failing for a long time (and retry time not reached)