Unable to send email to clients hosted at

  • 1.  Unable to send email to clients hosted at

    Posted 07-04-2021 07:33 PM
    Edited by Debbie Sassine 07-04-2021 07:33 PM
    We can't send email to some of your clients and we are getting the following reject message:
    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:

    host []
    SMTP error from remote mail server after end of data:
    553-Message filtered. Refer to the Troubleshooting page at
    553 =TECH246726 for more information. (#5.7.1)

    We are a service based state-owened company (Acasă
    Cncir remove preview
    Compania Naţională pentru Controlul Cazanelor, Instalaţiilor de Ridicat şi Recipientelor sub Presiune S.A. îşi propune să devină partenerul dumneavoastră consecvent în mobilizarea eforturilor pentru asigurarea funcţionării în condiţii de siguranţă a instalaţiilor/echipamentelor sub presiune, instalaţiilor de ridicat şi aparatelor consumatoare de combustibil.
    View this on Cncir >
    ), and the one from above is one of our customers. In case that we are blacklisted, can we get unlisted?
    IP : .
    Best regards,
    Mihai Boanta