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

  1. #1
    Join Date
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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 zimbra@myhost.mydomain.com

    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 !

    Cheers

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    Default

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


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
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    Default

    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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