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reject=550 5.7.1

ilker MyAccount Posts: 1 Security Scout


I' m Ilker. I 'm from Tukey.We are use Proofpoint .We are problem recivie one mail addrees.Error "reject=550 5.7.1"



help me


  • Guillaume
    Guillaume W/ Former Staff Posts: 2 W/ Former Staff

    Hello ilker,

    Please open a ticket on:

    In the description field, please provide the activation ID of the Message Security Gateway you're using.
    This can be found under "System"-->"licenses and updates"-->"license" tab

    Also, please provide us with the IP address of the box.

    Thanks in advance.

  • klauzser
    klauzser MyAccount Posts: 12 Security Scout

    This usually is a problem when sending mails. Thanks for the support link. image

This discussion has been closed.