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Course Outline
Understanding Sovereignty in Collaboration
- Comparing Zimbra against Microsoft Exchange and Google Workspace regarding total cost of ownership.
- Benefits of single-tenant control, auditing capabilities, and data residency compliance.
- Feature comparison between the Network Edition and Open Source Edition.
Installation and Setup
- Preparation steps: hostname configuration, DNS setup, firewall rules, and OS hardening.
- Deployment patterns for both single-server and multi-server architectures.
- Navigating the installation wizard, creating initial domains, and provisioning administrators.
Messaging Core Technologies
- Integrating Postfix and OpenLDAP within the Zimbra environment.
- Configuring webmail, IMAP, and POP3 client access.
- Enabling mobile access via ActiveSync, Exchange Web Services, and CalDAV.
Groupware Capabilities
- Managing shared calendars, resource scheduling, and delegation workflows.
- Linking contacts and global address lists to organizational units.
- Utilizing Briefcase for file sharing and document version control.
Security and Authentication
- Implementing SSL/TLS and automating certificate issuance with LetsEncrypt.
- Enabling two-factor authentication using TOTP and hardware keys.
- Tuning anti-spam mechanisms (amavis, DKIM, SPF) and anti-virus protection (ClamAV).
Directory Federation
- Configuring external LDAP and Active Directory for authentication.
- Setting up delegated administration and domain separation for multi-tenant environments.
Backup and Disaster Recovery
- Performing real-time backups and restores using zmbackup.
- Implementing snapshot strategies for mail stores and database volumes.
- Executing cross-site replication and failover procedures.
Administration and Monitoring
- Deep dive into the Admin console: managing COS, quotas, and message retention policies.
- Using CLI utilities for batch operations and automation scripting.
- Tuning performance and configuring JVM memory allocation.
Requirements
- Strong experience in Linux server administration.
- Proficiency in DNS management, including MX, A, TXT, and SRV records.
- Understanding of web servers, proxies, and Java applications.
Audience
- Enterprise messaging architects seeking to replace Exchange or Google Workspace.
- Organizations requiring a single-tenant collaboration server.
- Government and educational institutions bound by data localization regulations.
21 Hours
