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: callislaw@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 callies@global.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 calocfan@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 callifs1@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 calliew@za.ibm.com host mx0b-001b2d01.pphosted.com [148.163.158.5] SMTP error from remote mail server after pipelined DATA: 550 5.1.1 User Unknown callison2@csc.com host cluster4.us.messagelabs.com [67.219.247.193] SMTP error from remote mail server after end of data: 553-Message filtered. Refer to the Troubleshooting page at 553-https://knowledge.broadcom.com/external/article?legacyId 553 =TECH246726 for more information. (#5.7.1) callie@venmyn.com all hosts for 'venmyn.com' have been failing for a long time (and retry time not reached)