Zimbra Collaboration: Full Email, Calendar, and Contacts on Your Servers Training Course

Collaborative Infrastructure Assessment

• Evaluation of total cost of ownership for Zimbra, Microsoft Exchange, and Google Workspace within public sector environments.
• Advantages of single-tenant architectures regarding administrative control, auditability, and data residency compliance.
• Differentiation between Network Edition and Open Source Edition feature sets to determine suitability for government use cases.

Deployment and Configuration

• Prerequisites: configuration of hostnames, DNS records, firewall rules, and operating system hardening standards.
• Architectural patterns for single-server and multi-server implementations.
• Execution of the installation wizard, initial domain establishment, and administrator account provisioning.

Email Core Functionality

• Integration of Postfix mail transport and OpenLDAP directory services.
• Configuration protocols for webmail access, IMAP, and POP3 client connectivity.
• Mobile device synchronization via ActiveSync, Exchange Web Services, and CalDAV standards.

Collaborative Tools

• Management of shared calendars, resource scheduling, and task delegation workflows.
• Integration of contact directories and global address lists with organizational unit structures.
• Implementation of file sharing capabilities and document version control mechanisms.

Security and Identity Management

• Configuration of SSL/TLS encryption certificates, including automation via Let’s Encrypt.
• Implementation of multi-factor authentication utilizing TOTP and hardware security keys.
• Optimization of spam filtering (Amavis, DKIM, SPF) and antivirus protection (ClamAV).

Directory Interoperability

• Configuration of external LDAP and Active Directory authentication mechanisms.
• Establishment of delegated administration and domain isolation policies for multi-tenant government deployments.

Data Protection and Continuity

• Execution of real-time backup and recovery procedures using zmbackup utilities.
• Implementation of snapshot strategies for mail storage and database volume integrity.
• Deployment of cross-site replication and failover protocols to ensure operational resilience.

System Administration and Oversight

• Utilization of the administrative console for class-of-service management, quota enforcement, and message retention policies.
• Employment of command-line interface tools for batch processing and automated scripting tasks.
• Optimization of system performance through JVM memory allocation adjustments.