Plesk Email Security: DNS caching is disabled! Please use a local DNS server to improve SPAM recognition via blocklists (for instance systemd-resolved)

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    Andrei L

    Hi,

     

    Can this be updated for Plesk Obsidian, Ubuntu 18?

    service named-chroot restart
    Failed to restart named-chroot.service: Unit named-chroot.service not found.

    service named-chroot status
    Unit named-chroot.service could not be found.

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    Julian Bonpland Mignaquy

    Andrei L 
    Please check step 6:

    Restart BIND service (named-chroot for CentOS, bind9 is Ubuntu/Debian):

    So for Ubuntu it should be # service bind9 restart

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    To Wei

    I don't think the instructions are entirely correct. Manual changes in the /etc/resolv.conf file are overwritten with each restart of the server or the systemd-resolve service.

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    Mauro Elias Morone

    I received the warning message "DNS caching is disabled!".

    I correctly followed the instructions receiving at the end the message "permanent testpoint" and that appears to be configured well, in fact the previous warning message there have disappeared.

    But the weird fact is that if I input again the command for the status info, all the lines at the end named[xxxxx] etc... appears to be with a connection error, also if I add the "nameserver 127.0.0.1" on top of the other IP I have in that file, or also in case I leave there only nameserver 127.0.0.1 for example (deleting the other IP I have there).
    I tried all the combination, and in any case there will be a connection error in those lines named[xxxxx] at the end.

    Only if I don't insert "nameserver 127.0.0.1" on the top of that file (leaving all in the previous way), all the connection named[xxxxx] using the command "service .. status" are confirmed.

    So I leaved all in the previous way.

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