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: awr@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 awm@tiscali.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 awie@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 awrihht@iafrica.com host nav-gateway.mweb.co.za [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 awill@iafrica.com host nav-gateway.mweb.co.za [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.197.89 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.197.89 awivell@impcargo.ih.co.za all hosts for 'impcargo.ih.co.za' have been failing for a long time (and retry time not reached) awilkins@dip.ee.uct.ac.za host dip.ee.uct.ac.za [137.158.82.13] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 ... User unknown awino@sbcglobal.net host ff-ip4-mx-vip1.prodigy.net [144.160.159.21] SMTP error from remote mail server after MAIL FROM:: 553 5.3.0 flpd591 DNSBL:RBL 521< 13.251.197.89 >_is_blocked.For assistance forward this error to abuse_rbl@abuse-att.net awie@vvbconstruction.co.za host blizzard.mxrouting.net [49.12.86.50] SMTP error from remote mail server after RCPT TO:: 550 authentication required awillems@postino.up.ac.za host aspmx.l.google.com [74.125.200.27] 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 u2si22111808pfk.334 - gsmtp awilkins@postino.up.ac.za host aspmx.l.google.com [74.125.200.27] 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 u2si22111808pfk.334 - gsmtp awilliam@pan.uzulu.ac.za all hosts for 'pan.uzulu.ac.za' have been failing for a long time (and retry time not reached)