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Thread: Major Deployment Questions

  1. #1
    plan9 is offline Loyal Member
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    Default Major Deployment Questions

    I'm considering Zimbra for a major deployment (major for me anyway).

    First, the situation:

    1) 25 locations with each location having between 25 and 100 users, the average being about 50 per location.

    2) There will be a total of 20 e-mail domains among those locations.

    3) About 1/2 of the users will be HEAVY users (mail, calendar, large attachments, etc.).

    4) Some of the locations will want their own Zimbra servers onsite. Others will permit me to host them.

    5) Ideally, they'd like to share a common GAL.

    6) In a perfect world, they would be able to share calendar functionality as well. For example, someone at location #1 would be able to schedule a meeting with people at locations #4, #7, and #15.


    Can these items be accomplished? If so, what's the best path?

    If not, where are the problems going to lie?

    Now, because Outlook integration, online backup, and support will be important, only the Network version of Zimbra is being considered.

  2. #2
    KevinH's Avatar
    KevinH is offline Expert Member
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    Default

    To get a common GAL and a central master you'll want to have your master LDAP with all your hosted mailbox stores. For each remote site that needs a dedicated local store you can install a MTA, spam/virus services, LDAP replica, and a mailbox server. These users can all connect locally to their mail store but still be registered with the master. You'll want to make sure you have an LDAP replica for each remote office install to save LDAP queries over the internet. Since you have a central LDAP and you should be able to use the calendar across offices without a problem. You'll just need to size each remote office install for that user base and then size the central data center for all the remote users. For each domain you can make the MX record point to the remote office and use the central data center as a secondary MX. We having some sizing calculators that can help with sizing the disks and boxes for each site. Just ping our sales team and they can hook you up with a system engineer who can walk you through that.
    Looking for new beta users -> Co-Founder of Acompli. Previously worked at Zimbra (and Yahoo! & VMware) since 2005.

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