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: ilham@acgarchitects.co.za host za-smtp-inbound-1.mimecast.co.za [41.74.193.210] SMTP error from remote mail server after end of data: 554 Email rejected due to security policies - https://community.mimecast.com/docs/DOC-1369#554 [K34fh2NfMx6lxJYYv5y0bw.za115] IldertonA@proteacoin.co.za host smtpout1.cicts.co.za [41.193.90.3] SMTP error from remote mail server after end of data: 550 Message refused by MailMarshal SpamProfiler iletisim@hepsibebek.com host mx01.hepsibebek.com [93.89.226.79] SMTP error from remote mail server after RCPT TO:: 550 Requested action not taken: mailbox unavailable or not local. Ilana_Truter@aon.co.za host aon-co-za.mail.protection.outlook.com [104.47.51.110] SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [BN1NAM02FT051.eop-nam02.prod.protection.outlook.com] ilana@live.co.za host eur.olc.protection.outlook.com [104.47.13.33] SMTP error from remote mail server after RCPT TO:: 550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302). ilcinfo@earthlink.net all hosts for 'earthlink.net' have been failing for a long time (and retry time not reached) ilana@roman.co.za all hosts for 'roman.co.za' have been failing for a long time (and retry time not reached)