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: clcm@tutu.org host mailgate5.mindspring.co.za [172.104.134.165] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 : Recipient address rejected: User unknown in relay recipient table CLCORIS@VODAMAIL.CO.ZA host mx1.vodamail.co.za [196.11.146.148] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 : Recipient address rejected: User unknown in local recipient table clcugno@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 clcchris@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 clcc@worldonline.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 claytonwhite@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 clayton55@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 clayphil@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 clddan001@mail.uct.ac.za all hosts for 'mail.uct.ac.za' have been failing for a long time (and retry time not reached) clayton@fsisystems.co.za host corpmx.worldonline.co.za [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found claytonb@amatoledm.co.za host mx1.improvmx.com [51.91.128.110] SMTP error from remote mail server after RCPT TO:: 550 5.1.9 Relay not permitted. (#id-5.9.2) - ImprovMX clayrulz@hotmail.com host hotmail-com.olc.protection.outlook.com [104.47.18.97] SMTP error from remote mail server after RCPT TO:: 550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302). clayton@buyisa.com all hosts for 'buyisa.com' have been failing for a long time (and retry time not reached)