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  erikviky@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<erikviky@mweb.co.za>:
    550 rejected because recipient verify failed -- user not found
  erikh@yebo.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<erikh@yebo.co.za>:
    550 rejected because recipient verify failed -- user not found
  ERINA.GOLDY@agrana.com
    host agrana-com.mail.protection.outlook.com [104.47.4.36]
    SMTP error from remote mail server after RCPT TO:<ERINA.GOLDY@agrana.com>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [AM5EUR02FT035.eop-EUR02.prod.protection.outlook.com]
  eriko@kyoto.zaq.ne.jp
    host mgw1.mx.zaq.ne.jp [175.135.253.69]
    SMTP error from remote mail server after RCPT TO:<eriko@kyoto.zaq.ne.jp>:
    550 Invalid recipient: <eriko@kyoto.zaq.ne.jp>