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Thread: E-mails going into MTA black hole after IP change

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    Join Date
    Feb 2007
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    Default E-mails going into MTA black hole after IP change

    Some basics: Zimbra 5.0.7 FOSS on Ubuntu

    We're going to be setting up a site-to-site openVPN between two of our locations. Unfortunately both of these locations had 10.x.x.x/8 addressing schemes so we decided to redo them with 10.0.x.x/16 and 10.1.x.x/16 schemes respectively to allow for the VPN to work.

    The Zimbra box was and changed to The /etc/hosts file has been updated as well as the network config files and all DNS information. I also changed the MTA trusted networks from "" to "", hoping to allow both sides of the VPN once it's set up. I restarted the e-mail box.

    The Zimbra box web UI is working fine and it can send mail fine, but no e-mail can be received, at least not at the mailbox level. Going into the admin area I see lots of email in "deferred" status and an origin IP of "". I've tried requeuing but it just lands back at deferred.

    I'm not sure what else to check at this point. I'm assuming it's some setting or config file I missed. Can anyone point me in the right direction? It's kind of urgent we be able to get our mail TIA!
    Last edited by rajahd; 08-01-2008 at 12:24 PM. Reason: grammer/spelling

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