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Thread: [SOLVED] Incremental migration from postfix to Zimbra

  1. #1
    Join Date
    May 2009
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    Default [SOLVED] Incremental migration from postfix to Zimbra

    Hi, everybody.

    I'm evaluating Zimbra Collaboration Suite 5.0 Open Source Edition in a Centos 5.3. It is installed and running perfectly.

    In my network there is a Postfix 2.4.7 serving and it is the only authorized to send or receive messages from outside. It is configured with LDAP but using legacy schemes, so users databases won't be shared. I would like to run concurrently both postfix and zimbra and incrementally migrate the accounts from postfiz to zimbra and from my ldap to zimbra's ldap. So I would like that:

    • Both postfix and zimbra attend the same domain
    • Posfix should be the only MTA to send on receive messages to internet (no change here)
    • Messages to should end in the right mailbox in postfix or zimbra

    Any ideas?

    Thanks in advance

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
    Join Date
    Sep 2005
    Vannes, France
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    Have a look at the Split Domain article.


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    Join Date
    May 2009
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    Thanks a lot!

    That was what I was looking for. Now it works fine.

    In zimbra I did as the article said:

    $ zmprov md zimbraMailCatchAllAddress
    $ zmprov md zimbraMailCatchAllForwardingAddress
    $ zmprov md zimbraMailTransport
    $ zmprov mcf zimbraMtaRelayHost

    in postfix I copied the zimbra file /opt/zimbra/conf/ to /etc/postfix, I commented the CA lines and added a transport map:

    transport_maps = proxy:ldap:/etc/postfix/

    My domain now is splitted, with accounts in postfix and zimbra, every one can mail everybody, and postfix is the outgoing MTA.

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