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Thread: [SOLVED] Zimbra can't resolve host (none)

  1. #1
    Join Date
    Dec 2010
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    Default [SOLVED] Zimbra can't resolve host (none)

    Hi all !

    OSE user for two years now, I love zimbra ^^

    Today, I was checking my configuration and turns out my server wasn't sending me all the sys emails (sendmail not pointing to zimbra...bad bad bad admin ^^). Now that is fixed, zimbra is sending me something like 3 emails per minutes saying :

    (none) : déc. 15 15:50:09 : zimbra : unable to resolve host (none)
    sent by

    sooo I double checked my /etc/hosts, my server name is well configured, checked if my hostname was well configured in zimbra too (using postconf smtp_helo_name myhostname) and all good ... my bind server is also working like a charm.

    The only thing I see is a random blank email without any sender or receivers in my Zimbra queue.

    I checked the logs, but the only thing I see is zimbra sending me this email, nothing else (like, when or where is it generated?)

    If you guys have any idea, it would be more than welcome ^^ My mailbox is exploding !


  2. #2
    phoenix is offline Zimbra Consultant & Moderator
    Join Date
    Sep 2005
    Vannes, France
    Rep Power


    Why start with the Split DNS article and post all the information asked for in the 'Verify...' section of that article, just for confirmation.


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    Join Date
    Dec 2010
    Rep Power


    Shame on me ....

    hostname $(hostname) was returning (none)

    Set it to my reverse dns and all good now ...

    Thanks for your help on this one !

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