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: fcclfs@iafrica.com host nav-gateway.mweb.co.za [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 fcc@iafrica.co.za host nav-gateway.mweb.co.za [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 fcfm@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 fcepek@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 fbrits@icon.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 fbrink@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 fbi@yebo.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 fbh@netdial.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 fc@imperialhotel.co.za host protection-01.dotnetwork.co.za [154.66.66.167] SMTP error from remote mail server after RCPT TO:: 550-5.4.1 Recipient address rejected: Access denied. AS(201806281) 550 [VE1EUR03FT054.eop-EUR03.prod.protection.outlook.com] fccdoc@ccrtc.com host mail.ccrtc.com [64.35.208.172] SMTP error from remote mail server after RCPT TO:: 554 5.7.1 Service unavailable; Client host [52.221.55.32] blocked using foreign.rbl.e-scout.net; Host 52.221.55.32 (SG6) suspicious. Please forward this message to servers@ispn.net for resolution. fc@phinc.co.za host mailx.phinc.co.za [102.132.13.98] SMTP error from remote mail server after RCPT TO:: 554 5.7.1 Connection Refused: Relay Server (52.221.55.32) blacklisted fbiggers@kzn.netcare.co.za host za-smtp-inbound-2.mimecast.co.za [41.74.197.210] SMTP error from remote mail server after RCPT TO:: 550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [TVfKWXuVMZySrzkhbICVSA.za136] fbf@fairheads.com host za-smtp-inbound-2.mimecast.co.za [41.74.197.210] SMTP error from remote mail server after RCPT TO:: 550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [TVfKWXuVMZySrzkhbICVSA.za136] fc@thorburn.co.za host za-smtp-inbound-1.mimecast.co.za [41.74.193.210] SMTP error from remote mail server after RCPT TO:: 550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [aii2snzQPTOG0ADlU63T7A.za17] fbhorat@cormack.uct.ac.za host za-smtp-inbound-1.mimecast.co.za [41.74.193.210] SMTP error from remote mail server after RCPT TO:: 550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [aii2snzQPTOG0ADlU63T7A.za17] fcain@epweb.co.za host postmaster5.netcon.co.za [196.3.115.53] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 ... User unknown: Not found in the Valid Recipients Table fbrink@met.ncape.gov.za host securemail-mx1.synaq.com [196.35.198.158] SMTP error from remote mail server after RCPT TO:: 550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=52.221.55.32 fc@isat.co.za host ms1.isat.co.za [13.90.96.118] SMTP error from remote mail server after RCPT TO:: 550 Requested action not taken: mailbox unavailable or not local. fc@ams.co.za host ams-co-za.mail.protection.outlook.com [104.47.9.36] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR03FT018.eop-EUR03.prod.protection.outlook.com] fbooyens@joy.co.za all hosts for 'joy.co.za' have been failing for a long time (and retry time not reached)