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550 sender verify failed

Discussion in 'E-mail Discussion' started by Mandeep, Apr 10, 2014.

  1. Mandeep

    Mandeep Registered

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    Keep getting this message when I send this mail to a particular office365 ID.

    This is the message form the office 365 mail. 'Remote Server returned '550-Verification failed for <email> 550-No Such User Here 550 Sender verify failed

    This is the message from the cpanel email

    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:

    email
    No Such User Here


    Amy ideas on where this issue is and how to resolve it. thanks
     
  2. 24x7server

    24x7server Well-Known Member

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    Hello,

    I will suggest you to please contact your web hosting provider for assistance with this issue. They will be able to access /var/log/exim_mainlog directly to review specific logs of your mail issues, You can not access /var/log/exim_mainlog file to check the logs.
     
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  3. cPanelMichael

    cPanelMichael Technical Support Community Manager
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    Hello :)

    It looks like the remote mail server in unable to verify the email address you are sending from is valid. Is it possible the domain name you are sending from is or at some time was added to an account on the remote mail server? If not, you will need to contact your hosting provider or the administrator of the remote mail server for assistance.

    Thank you.
     
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