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Thread: New Zimbra install in OpenVZ container... DNS config required?

  1. #11
    batfastad is offline Elite Member
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    So...

    Other computers on the LAN need to be able to ping mail.domain.com and it resolves to the Zimbra IP

    -or-

    The Zimbra machine needs to ping mail.domain.com and it resolves to the Zimbra IP

    Is any of that correct? Struggling here

    cheers, B

  2. #12
    dave_kempe is offline Partner (VAR/HSP)
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    Basically yes, your DNS setup has to be in good working order. The only other problem you will have with OpenVZ is the hosts file format may need to be changed. When you install Zimbra, it will complain about the hosts file. Make sure you change it to the format suggested.
    http://www.solutionsfirst.com.au/hosting/zimbra/
    Australia's premier Zimbra Hosting Partner
    Resellers wanted!

  3. #13
    batfastad is offline Elite Member
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    I've been struggling with named.conf and db.domain.com zone syntax all day but finally got there... so I'm ready to install Zimbra!

    dig -t mx domain.com
    Returns an answer section of mail2.domain.com

    dig mail2.domain.com
    Returns an A record with 192.168.1.4

    nslookup domain.com
    Returns 192.168.1.4

    Each of these guides express the zone syntax in a slightly different way
    Split DNS - Zimbra :: Wiki
    Installing ZCS 5.0.x on CentOS 5 as offline mail server (complete guide)
    Ubuntu 8.04 LTS Server - Zimbra :: Wiki

    I do now know Bind's zone file syntax pretty well

    I also understand why all this needs to be done... if I send to joe@mydomain.com from Zimbra, we don't really want Zimbra firing it out onto the internet for it to have to just come and be processed by the same server!

    Final question... I'd like some confirmation on what I should set for the values of the timeouts in the SOA record?

    Currently I have:
    $TTL 4h
    Refresh 12h
    Retry 1h
    Expire 14d
    Minimum 1h

  4. #14
    phoenix is offline Zimbra Consultant & Moderator
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    Easy confirmation of your DNS is the following commands (run on the Zimbra server):

    Code:
    cat /etc/hosts
    cat /etc/resolv.conf
    dig yourdomain.com mx
    dig yourdomain.com any
    host `hostname`  <-- use that exact command with backticks not single quotes
    I don't use bind any more but you may find webmin useful for managing your server (including BIND).
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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