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Course Outline
Collaboration Sovereignty Landscape
- Comparative analysis of Zimbra, Microsoft Exchange, and Google Workspace regarding total cost of ownership.
- Advantages of single-tenant architectures, including enhanced audit capabilities and data residency controls.
- Detailed feature comparison between Network Edition and Open Source Edition offerings.
Installation and Setup
- Preparatory procedures: hostname configuration, DNS resolution, firewall rules, and operating system hardening.
- Deployment models for both single-server and multi-server infrastructure.
- Execution of the installation wizard, initial domain creation, and administrator account provisioning.
Messaging Core
- Integration of Postfix and OpenLDAP within the Zimbra framework.
- Configuration of Webmail, IMAP, and POP3 client protocols.
- Mobile device access implementation via ActiveSync, Exchange Web Services, and CalDAV standards.
Groupware Features
- Management of shared calendars, resource scheduling, and task delegation.
- Contact management and global address lists synchronized with organizational units.
- File sharing capabilities via Briefcase, including document versioning controls.
Security and Authentication
- SSL/TLS configuration and automated certificate management using LetsEncrypt.
- Implementation of two-factor authentication using TOTP and hardware security keys.
- Tuning of anti-spam mechanisms (amavis, DKIM, SPF) and anti-virus protections (ClamAV).
Directory Federation
- Authentication integration with external LDAP directories and Active Directory services.
- Delegated administration strategies and domain separation for multi-tenant operational scenarios.
Backup and Disaster Recovery
- Real-time backup and restore operations using the zmbackup utility.
- Snapshot strategies for mail store and database volume protection.
- Cross-site replication protocols and failover procedures for business continuity.
Administration and Monitoring
- In-depth analysis of the admin console, including Class of Service (COS) definitions, quotas, and message retention policies.
- Use of command-line interface utilities for batch operations and automation scripting.
- Performance optimization techniques and JVM memory allocation adjustments.
Requirements
- Proficient Linux server administration experience.
- DNS management proficiency, including MX, A, TXT, and SRV records.
- Understanding of web servers, proxies, and Java-based applications.
Audience
- Enterprise messaging architects replacing Exchange or Google Workspace infrastructure.
- Organizations seeking a secure, single-tenant collaboration server for government and public sector use.
- Government and education sectors with strict data localization and sovereignty mandates.
21 Hours