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Zimbra™ Collaboration Suite Administrator's Guide

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Zimbra™ Collaboration Suite Administrator's Guide Zimbra™ Collaboration Suite Administrator’s Guide Release 6.0 Network Edition Rev: July 2010 Legal Notices Copyright 2005-2010 Zimbra. All rights reserved. No part of this document may be reproduced, in whole or in part, without the express written permission of Zimbra. Trademark and Licensing MySQL is a registered trademark of MySQL AB in the United States, the European Union and other countries. OpenLDAP is a registered trademark of the OpenLDAP Foundation. Postfix is copyright © 1999 International Business Machines Corporation and others and it was created by Wietse Venema <[email protected]>. SpamAssassin is a trademark of Deersoft, Inc. This product includes software developed by the Apache Software Foundation (http://www.apache.org/). All other marks are the property of their respective owners. Building Better Products within the Open Source Community Zimbra Collaboration Suite leverages many great technologies from the open source community: MySQL, OpenLDAP, Postfix, SpamAssassin, and Apache. Zimbra believes that great products come from contributing to and leveraging open source technologies. We are thankful for the great contributions that led to the creation of MySQL, OpenLDAP, Postfix, SpamAssassin, and Apache software. Zimbra, a division of VMware, Inc. 3401 Hillview Avenue Palo Alto , California 94304 USA www.Zimbra.com September 2009 - ZCS 6.0 Revised for 6.0.8 July 12, 2010 Table of Contents Chapter 1 Introduction. 11 Intended Audience . 11 Zimbra Collaboration Suite License . 11 Available Documentation . 12 Support for Recommended Third-Party Components . 12 Support and Contact Information . 12 Chapter 2 Product Overview . 15 Core Functionality . 15 Zimbra Components . 17 System Architecture . 17 Zimbra Packages . 18 Backup Process Overview . 21 Zimbra System Directory Tree . 21 Example of a Typical Multi-Server Configuration . 23 Chapter 3 Zimbra Mailbox Server . 27 Zimbra Licenses . 27 Incoming Mail Routing . 28 Disk Layout . 28 Message Store . 28 Data Store. 29 Index Store . 29 Backup . 30 Redo Log . 30 Log . 30 Chapter 4 Zimbra Directory Service . 31 Directory Services Overview . 31 LDAP Hierarchy . 32 Zimbra Schema . 33 Account Authentication . 33 Internal Authentication Mechanism. 34 External LDAP and External Active Directory Authentication Mechanism 34 Custom Authentication - zimbraCustomAuth . 35 Kerberos5 Authentication Mechanism . 36 Zimbra Objects . 37 Company Directory/GAL . 40 Flushing LDAP Cache . 41 Themes and Locales . 42 Accounts, COS, Domains, and Servers . 42 Global Configuration . 42 Chapter 5 Zimbra MTA . 45 Zimbra MTA Deployment . 45 Zimbra Collaboration Suite Network Edition 6.0 iii Administrator’s Guide Postfix Configuration Files . 46 MTA Functionality . 46 SMTP Authentication . 47 SMTP Restrictions . 47 Relay Host Settings . 47 MTA-LDAP Integration . 47 Account Quota and the MTA . 48 MTA and Amavisd-New Integration . 48 Anti-Virus Protection . 48 Anti-Spam Protection . 48 Receiving and Sending Mail through Zimbra MTA . 51 Zimbra MTA Message Queues. 52 Chapter 6 Working with Zimbra Proxy. 55 Zimbra Proxy Components . 55 Zimbra Proxy Architecture and Flow . 55 Customizing Zimbra Proxy Configuration . 56 Zimbra IMAP/POP Proxy . 56 Zimbra Proxy Ports for POP/IMAP . 56 Setting up IMAP/POP Proxy after HTTP Proxy . 57 Configuring ZCS HTTP Proxy . 59 Setting up HTTP Proxy after IMAP/POP Proxy is set up . 59 Configuring Zimbra Proxy for Kerberos Authentication . 62 Chapter 7 Managing Legal Requests for Information . 65 Legal Intercept for Law Enforcement . 65 Legal Intercept attributes . 65 Configuration . 66 Create Mailbox Snapshots for Legal Discovery . 67 Chapter 8 Using the Administration Console . 69 Logging In . 69 Changing Administrator Passwords . 70 About the Administration Console . 70 Managing Tasks from the Administration Console . 72 Tasks Not Available from Administration UI . 73 Creating Message of the Day for Administrators . 73 Checking for ZCS Software Updates . 74 Chapter 9 Delegated Administration . 77 Delegated Administration Terminology . 77 How Delegated Administration Rights are Granted . 78 Selecting Target Types. 78 Rights . 80 Implementing Delegated Administration . 85 Creating Administrator Groups and Administrators . 85 Configure Grants on Administrator Accounts or Admin Groups . 88 Granting ACLs to a Target . 88 Revoking Rights . 88 Viewing Rights Granted to Administrators . 89 Predefined Delegated Administrator Role . 89 iv Network Edition 6.0 Zimbra Collaboration Suite Domain Administration Group. ..
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