ZCS Administrator Guide 8.0
ZCS Administrator Guide 8.0
Open Source Edition


Managing Configuration > Global Address List (GAL) Mode

Global Address List (GAL) Mode
The Global Address List (GAL) is your company-wide listing of users that is available to all users of the email system. GAL is configured on a per-domain basis. The GAL mode setting for each domain determines where the GAL lookup is performed.
The GAL Configuration Wizard in the administration console is used to configure the GAL attributes. The three GAL modes that can be configured include the following:
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Internal. The Zimbra LDAP server is used for directory lookups.
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External. External directory servers are used for GAL lookups. You can configure multiple external LDAP hosts for GAL. All other directory services use the Zimbra LDAP service (configuration, mail routing, etc.). When you configure an external GAL, you can configure different search settings and sync settings.You might want to configure different search settings if your LDAP environment is set up to optimize LDAP searching by setting up an LDAP cache server, but users also will need to be able to sync to the GAL.
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Both. Internal and external directory servers are used for GAL lookups.
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