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: chrisb.nel@ananzi.co.za host mx.cloudafrica.email [41.79.76.130] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 : Recipient address rejected: undeliverable address: host 10.0.35.24[10.0.35.24] said: 550 Rejected - Invalid recipient address (in reply to RCPT TO command) chrisberniec@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 chrisag@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 chrisanthi.michaelides@rmb.co.za host mx1.hc858-6.c3s2.iphmx.com [216.71.157.235] SMTP error from remote mail server after RCPT TO:: 550 #5.1.0 Address rejected. chrisb@gecko.biol.wits.ac.za all hosts for 'gecko.biol.wits.ac.za' have been failing for a long time (and retry time not reached) chrisalt@co.za host mx2.dns.business [147.135.106.239] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 : Recipient address rejected: User unknown in virtual alias table chrisbee@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 chrisangie@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 chris_nel@ccnet.up.ac.za host aspmx.l.google.com [172.253.118.27] 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 p9si11525072pgs.872 - gsmtp