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Thread: Question about Split Domain setup

  1. #1
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    Default Question about Split Domain setup

    I've a question about the split domain setup as described in the wiki. If I set up zimbra.example.com to be the secondary server (so that mail first goes to the primary server, let's call it mail.example.com), then:

    1) mail sent from the Internet to a user on mail.example.com goes directly to that user.
    2) mail sent from a user on zimbra.example.com to a user on mail.example.com gets forwarded on as a wildcard unknown by zimbra.

    But what about mail sent from the Internet (or a user on mail.example.com) to a user on zimbra.example.com? I'm running Postfix on my primary server, and I don't know what the equivalent might be to what the wiki suggests for Zimbra as a primary server, i.e., zmprov ma bar@example.com zimbraMailTransport smtp:mail.example.com. How do I tell Postfix to forward a particular virtual domain user to another machine for be handled there?

    For example, I don't think simply aliasing bar@example.com to bar@zimbra.example.com will work; that's not how the user's known to the zimbra server, right? Or could I somehow create a mapping on the Zimbra system (forgive me for thinking aloud as I write) from @zimbra.example.com to @example.com, so that it handles such addressing?

    Thanks,
    Eric

  2. #2
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    Default

    This will require you to edit your transport map with something like this:

    bar@example.com smtp:zimbra.example.com

  3. #3
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    Default

    Hmm... I think I follow you. But maybe I'm missing something; how would bar@example.com be specified in the virtual alias table? It has to be in there in order for Postfix to know about it...

  4. #4
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    Default

    Actually, I found another way to do it... each of my Zimbra accounts on my primary server now have an alias line like so:

    bar@example.com bar@zimbra.example.com

    and then in my transport map, I have

    zimbra.example.com smtp:[actual hostname of Zimbra server]

    Thanks for reading!

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