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  douste@sggs.wcape.school.za
    host pop3.netpoint.co.za [129.232.239.20]
    SMTP error from remote mail server after RCPT TO:<douste@sggs.wcape.school.za>:
    554 5.7.1 <douste@sggs.wcape.school.za>: Relay access denied
  douw@lisabank.co.za
    host mail.lisabank.co.za [154.0.172.195]
    SMTP error from remote mail server after RCPT TO:<douw@lisabank.co.za>:
    550 Mailbox is full / Blocks limit exceeded / Inode limit exceeded
  douwbe@primat.co.za
    host mail.primat.co.za [41.204.200.130]
    SMTP error from remote mail server after RCPT TO:<douwbe@primat.co.za>:
    550 Unroutable address
  douwcheese@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<douwcheese@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found