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: wsnyman@clover.co.za host za-smtp-inbound-1.mimecast.co.za [41.74.197.201] 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 [4rnJlUk1PmOxN4LYD7GeDQ.za88] JLIVOCK@sunint.co.za host za-smtp-inbound-1.mimecast.co.za [41.74.197.201] 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 [4rnJlUk1PmOxN4LYD7GeDQ.za88] storksnest@umhlanga.netcare.co.za host za-smtp-inbound-1.mimecast.co.za [41.74.197.201] 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 [4rnJlUk1PmOxN4LYD7GeDQ.za88] merleh@kzn.netcare.co.za host za-smtp-inbound-1.mimecast.co.za [41.74.197.201] 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 [4rnJlUk1PmOxN4LYD7GeDQ.za88] treinders@metropolitan.co.za host za-smtp-inbound-1.mimecast.co.za [41.74.197.201] 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 [4rnJlUk1PmOxN4LYD7GeDQ.za88] wilna.saayman@glacier.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 [AKaTVqauNimDZS-7aXTPMA.za140] sally-ann.van.aswegen@watson-shoes.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 [AKaTVqauNimDZS-7aXTPMA.za140]