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Thread: Multiple Domains to One Server

  1. #1
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    Default Multiple Domains to One Server

    I want to have more than one domain send mail to the same Zimbra mail server that is configured with one public IP address.

    Can I have two domains point to the same Zimbra mail server configured for both the domains? See Example below:

    Domain #1: mx 10 foo.com, A Record mail.foo.com = 70.91.215.1
    Domain #2: mx 10 boo.com, A Record mail.boo.com = 70.91.215.1

  2. #2
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    Default

    Yup you can.
    1) Create the A record for mail.domain.com > IP (Don't forget to set/test internal & external lookups if your behind a NAT.)
    2) Create the MX record for domain.com > mail.domain.com
    3) Create the domain in Zimbra. (CLI is zmprov cd domain.com)

    Optional:

    A) Set a zimbraPublicServiceHostname used in REST URLs, ie: briefcase, document, calendar sharing etc.
    Say it's generating a URL like http:// mail.domainA.com and you'd rather have it http:// mail.domainB.com:
    Code:
    zmprov md domainB.com zimbraPublicServiceHostname mail.domainB.com
    In 5.0.9+ REST URL's are composed of 3 attributes: zimbraPublicService[Protocol + Hostname + Port] to avoid dependency on zimbraServer objects

    B) To minimize browser warnings, might add subjectAltNames if it applies to you: Administration Console and CLI Certificate Tools - Zimbra :: Wiki

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