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Thread: Install zimbra on Ubuntu 8.04 outside LAN

  1. #1
    emnzava's Avatar
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    Default Install zimbra on Ubuntu 8.04 outside LAN

    Dear All,

    I have read several posts about installing zimbra on ubuntu but almost all are discussing scenarios where server is behind firewall or DMZ.

    Now, i want to know, if i have DNS configured on my ISP servers do i still need to configure DNS on my server while it is not behind firewall?

    I ask this because i'm facing DNS problem when installing Zimbra.

    My server is accessible to the world directly with public ip address. I dont have LAN ip configured.

    Thanx in advance.

    Regards,
    Mnzava

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    You can install Zimbra anywhere you like, completely open to the internet, behind a NAT router, behind a firewall - the (security) choice is yours.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    Dear Bill,

    hank you very much for your reply.

    Now coming to my problem. When installing zimbra i got this error.

    Code:
    DNS ERROR resolving MX for mail.ardhi.go.tz
    It is suggested that the domain name have an MX record configured in DNS
    Change domain name? [Yes] 
    Create domain: [mail.ardhi.go.tz] ardhi.go.tz
    	MX: mail.ardhi.go.tz (172.16.16.2)
    
    	Interface: 172.16.16.2
    	Interface: 127.0.0.1
    done.
    Then i tried to accept changing domain name.

    Then installation completed without any error.

    Now when i try to send mail to outside world i.e gmail i see this error in the mail queue (differed)
    Code:
    Host or domain name not found. name service error for name=gmail.com type=mx: host not found, try again
    What could be the problem?

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    phoenix is online now Zimbra Consultant & Moderator
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    There are several problems with your configuration, according to a dig command from my server your server is not on that IP address. The second problem is that IP address is a private LAN IP address and (I assume it's running in a VM) it's not visible to the external world. Third, you will need a Split DNS set-up for your server to work correctly.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    emnzava's Avatar
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    Do i need to configure Split DNS if i decide to place the server outside the LAN. (that means it will be directly accessible to the internet.

    Regards

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    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by emnzava View Post
    Do i need to configure Split DNS if i decide to place the server outside the LAN. (that means it will be directly accessible to the internet.
    What's wrong with installing a Split DNS in your current environment and forwarding the necessary ports to the server? A hint - it's more secure than being directly on the internet.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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