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Course Outline
The Collaboration Sovereignty Landscape
- Comparing Zimbra, Microsoft Exchange, and Google Workspace in terms of total cost of ownership.
- Benefits of single-tenant control, audit capabilities, and data residency.
- Feature differences between the Network Edition and Open Source Edition.
Installation and Configuration
- Pre-requisites: hostname setup, DNS configuration, firewall rules, and OS hardening.
- Deployment strategies for single-server and multi-server environments.
- Using the installation wizard, creating initial domains, and provisioning administrators.
Core Messaging Functionality
- Integration of Postfix and OpenLDAP within the Zimbra architecture.
- Configuring webmail, IMAP, and POP3 clients.
- Mobile synchronization via ActiveSync, Exchange Web Services, and CalDAV.
Groupware Capabilities
- Managing shared calendars, resource scheduling, and task delegation.
- Linking contacts and global address lists to organizational units.
- File sharing through the Briefcase feature and document version control.
Security and Authentication
- Configuring SSL/TLS and automating certificates with LetsEncrypt.
- Implementing two-factor authentication using TOTP and hardware security keys.
- Tuning anti-spam mechanisms (amavis, DKIM, SPF) and anti-virus protection (ClamAV).
Directory Federation
- Authenticating via external LDAP and Active Directory services.
- Managing delegated administration and domain separation for multi-tenant setups.
Backup and Disaster Recovery
- Performing real-time backups and restores using zmbackup.
- Developing snapshot strategies for mail stores and database volumes.
- Implementing cross-site replication and failover procedures.
Administration and Monitoring
- In-depth exploration of the Admin console: Class of Service (COS), quotas, and message retention policies.
- Utilizing CLI tools for batch operations and automated scripting.
- Optimizing performance and managing JVM memory allocation.
Requirements
- Proficiency in Linux server administration.
- Experience managing DNS, including MX, A, TXT, and SRV records.
- Familiarity with web servers, proxies, and Java-based applications.
Target Audience
- Enterprise messaging architects migrating from Exchange or Google Workspace.
- Organizations preferring a single-tenant collaboration infrastructure.
- Government and educational entities subject to strict data localization requirements.
21 Hours
