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DNS ONLY - outgoing email.

Discussion in 'Bind / DNS / Nameserver Issues' started by darkfyre1, Oct 16, 2010.

  1. darkfyre1

    darkfyre1 Registered

    Oct 16, 2010
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    I have a query regarding the DNS only install which I have managed to replicate on stock installs of CentOS 4 and 5.

    Upon running the installer script, everything works fine, I can add the DNS server to my cluster etc.

    I did, however notice I was not receiving emails from the DNS server so checked the logs to see this error which kept the mail in the queue.

    failed to open /etc/userdomains for linear search: No such file or directory
    I looked at my cpanel server and it had a /etc/userdomains which contained one line:

    *: nobody
    So I copied this to the DNS server and now outgoing mail works fine.

    My question - is this a known bug ?

    Also, is it safe to have "*: nobody" in that file on a DNS only server, I dont exactly understand the purpose of /etc/userdomains on a DNS server and am unsure of what security risk I may have created by adding it.

    Any input would be useful, thanks.
  2. cPanelTristan

    cPanelTristan Quality Assurance Analyst
    Staff Member

    Oct 2, 2010
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    Root Administrator
    The file /etc/userdomains is the one containing the main domains and which users own them. It is not a security risk to have that file or contents in that file in any way.

    I cannot state if it is a bug as we would have to reproduce it. Please feel free to submit a bug report using the bug report link at the very top right corner of the forum on the forum home page.

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