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: evo@saol.com host saol.com [196.41.123.34] SMTP error from remote mail server after RCPT TO:: 550 No such person at this address." ewatridge@ananzi.co.za host mx.cloudafrica.email [41.79.76.130] SMTP error from remote mail server after RCPT TO:: 550 5.7.1 Service unavailable; client [13.251.245.207] blocked using b.barracudacentral.org ewanblad@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 Ewaldm@yebo.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 evros@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 evol@mweb.co.za host securemail-mx3.synaq.com [196.35.198.130] SMTP error from remote mail server after RCPT TO:: 550-rejected because 13.251.245.207 is in a black list at combined.abusix.dnsbl 550 https://lookup.abusix.com/search?q=13.251.245.207 evolution@evolution-co.za.net host mail.evolution-co.za.net [41.0.5.110] SMTP error from remote mail server after RCPT TO:: 550 E-Mail Rejected - Recipient Verify Failed - User Not Found Ewa.CZAJKOWSKA@agrana.com host agrana-com.mail.protection.outlook.com [104.47.6.36] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VE1EUR02FT034.eop-EUR02.prod.protection.outlook.com] evrdin001@mail.uct.ac.za all hosts for 'mail.uct.ac.za' have been failing for a long time (and retry time not reached)