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The following address(es) failed: smaharaj@mars.cs.unp.ac.za retry timeout exceeded wallerfj@eskom.co.za host mx1.eskom.seagatestoragecloud.co.za [169.239.240.92] SMTP error from remote mail server after RCPT TO:: 550-Callout verification failed: 550 550 5.1.1 User unknown vdevenpj@eskom.co.za host mx1.eskom.seagatestoragecloud.co.za [169.239.240.92] SMTP error from remote mail server after RCPT TO:: 550-Callout verification failed: 550 550 5.1.1 User unknown volts@saemail.co.za host saemail.co.za [169.239.217.26] SMTP error from remote mail server after RCPT TO:: 550 No such person at this address. /sales@cclarity.co.za host othala.iewc.co.za [154.73.34.78] SMTP error from remote mail server after RCPT TO:: 550 Restricted characters in address wendytruter@acutts.co.za host mail4.databias.co.za [51.140.241.173] SMTP error from remote mail server after pipelined end of data: 550 Possible spam / virus neil.vanderwesthuizen@pamgolding.co.za host securemail-mx1.synaq.com [196.35.198.158] SMTP error from remote mail server after RCPT TO:: 550 rejected because recipient verify failed -- user not found zeyn@compudoc.co.za host mail.cdoc.co.za [46.165.223.102] SMTP error from remote mail server after initial connection: 550 Blacklisted ursulab@nedcor.co.za host mxgw06.nedbank.co.za [168.142.192.40] SMTP error from remote mail server after DATA: 550 #5.7.1 Your access to submit messages to this e-mail system has been rejected. warrenb@nedcor.co.za host mxgw06.nedbank.co.za [168.142.192.40] SMTP error from remote mail server after DATA: 550 #5.7.1 Your access to submit messages to this e-mail system has been rejected. mikehome@niobe.marques.co.za host isdus-3.internext.co.za [148.251.243.117] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 ... User unknown wcomp@pixie.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 topland@polka.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 buttercup@home.vnh.co.za host mail.imcf.co.za [196.31.215.10] SMTP error from remote mail server after RCPT TO:: 554 5.7.1 : Relay access denied suvana@compass.org.za host compass-org-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) [AM5EUR03FT054.eop-EUR03.prod.protection.outlook.com] vineshn@abi.co.za all hosts for 'abi.co.za' have been failing for a long time (and retry time not reached) topdawg@metroweb.co.za host pmg1.absolutehosting.co.za [197.81.132.10] SMTP error from remote mail server after RCPT TO:: 550 5.7.1 Service unavailable; client [13.251.146.0] blocked using dnsbl.zapbl.net vddus...@libarts.up.ac.za host aspmx.l.google.com [142.251.10.27] SMTP error from remote mail server after RCPT TO:: 553-5.1.3 The recipient address is not a valid 553-5.1.3 RFC-5321 address. Learn more at 553 5.1.3 https://support.google.com/mail/answer/6596 t20si20213654pgu.327 - gsmtp jagm@postino.up.ac.za host alt2.aspmx.l.google.com [142.250.115.27] SMTP error from remote mail server after RCPT TO:: 550-5.1.1 The email account that you tried to reach does not exist. Please try 550-5.1.1 double-checking the recipient's email address for typos or 550-5.1.1 unnecessary spaces. Learn more at 550 5.1.1 https://support.google.com/mail/?p=NoSuchUser n19si11925622otq.47 - gsmtp akemp@postillion.up.ac.za host aspmx.l.google.com [142.251.10.27] SMTP error from remote mail server after RCPT TO:: 550-5.1.1 The email account that you tried to reach does not exist. Please try 550-5.1.1 double-checking the recipient's email address for typos or 550-5.1.1 unnecessary spaces. 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