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: Cdudley@acdp.co.za host mail.acdp.co.za [108.167.146.59] SMTP error from remote mail server after RCPT TO:: 550 No Such User Here cdumamay@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found cdug@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found cdstry@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found cdspers@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found cdrudman@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found cdrob@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found cdpqs@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found cdphyser@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found cdt@ams.co.za host ams-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) [AM5EUR03FT017.eop-EUR03.prod.protection.outlook.com] cds@randpersonnel.co.za all hosts for 'randpersonnel.co.za' have been failing for a long time (and retry time not reached)