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Thread: Split_DNS down: can users continue to "send" mails ?

  1. #1
    john99 is offline Advanced Member
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    Default Split_DNS down: can users continue to "send" mails ?

    Hello,

    we are soon going to install a Zimbra test environment (spit-dns, DynDNS).


    Scenario:
    Internet connection (between our firewall and the ISP provider) goes down..


    Questions:
    1.
    Can the Zimbra users continue to send mails internally?

    2.
    Are mails be sent to external mail receipients automatically queued up in Zimbra and sent out
    without user intervention as soon the line comes up again?



    Thank's a lot for any feedback!

    John
    Last edited by john99; 10-23-2008 at 01:47 AM.

  2. #2
    uxbod's Avatar
    uxbod is offline Moderator
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    Default

    Quote Originally Posted by john99 View Post
    1.
    Can the Zimbra users continue to send mails internally?
    Yes, as you are running a Split-DNS architecture your domain will still be resolvable.

    Quote Originally Posted by john99 View Post
    2.
    Are mails sent to external mail receipients automatically queued up in Zimbra and sent out
    without user intervention as soon the line comes up again?
    Yes it should hold them in the queue and re-attempt delivery when the line comes back. If the line is down for a long period of time then I believe your users will then get a non delivery message due to the remote server being unavailable.

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