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: amith007@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) amishi@pan.uzulu.ac.za all hosts for 'pan.uzulu.ac.za' have been failing for a long time (and retry time not reached)