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  jenniferl@afrikatikkun.org.za
    host cluster5.eu.messagelabs.com [85.158.142.203]
    SMTP error from remote mail server after RCPT TO:<jenniferl@afrikatikkun.org.za>:
    553-you are trying to use me [server-7.tower-248.messagelabs
    553-.com] as a relay, but I have not been configured to let
    553-you [13.251.197.89, omr15.orchid.atmailcloud.com] do
    553-this. Please visit www.symanteccloud.com/troubleshooting
    553- for more details about this error message and
    553 instructions to resolve this issue. (#5.7.1)
  jenniferngandu5@hotmail.com
    host hotmail-com.olc.protection.outlook.com [104.47.17.161]
    SMTP error from remote mail server after RCPT TO:<jenniferngandu5@hotmail.com>:
    550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302).
  jenniferralph656@gmail.com
    host gmail-smtp-in.l.google.com [142.251.10.27]
    SMTP error from remote mail server after RCPT TO:<jenniferralph656@gmail.com>:
    550-5.1.1 The email account that you tried to reach does not exist. Please try
    550-5.1.1 double-checking the recipient's email address for typos or
    550-5.1.1 unnecessary spaces. Learn more at
    550 5.1.1  https://support.google.com/mail/?p=NoSuchUser l19si15630360plc.194 - gsmtp