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Course Outline
Collaboration Sovereignty Landscape
- Zimbra vs Microsoft Exchange vs Google Workspace for total cost.
- Single-tenant control, audit, and data residency benefits.
- Network Edition vs Open Source Edition feature comparison.
Installation and Setup
- Preparation: hostname, DNS, firewall, and OS hardening.
- Single-server and multi-server deployment patterns.
- Installation wizard, initial domain creation, and admin provisioning.
Messaging Core
- Postfix and OpenLDAP integration within Zimbra.
- Webmail, IMAP, and POP3 client configuration.
- Mobile access via ActiveSync, Exchange Web Services, and CalDAV.
Groupware Features
- Shared calendars, resource scheduling, and delegation.
- Contacts and global address lists linked to organizational units.
- Briefcase file sharing and document versioning.
Security and Authentication
- SSL/TLS setup and LetsEncrypt automation.
- Two-factor authentication with TOTP and hardware keys.
- Anti-spam (amavis, DKIM, SPF) and anti-virus (ClamAV) tuning.
Directory Federation
- External LDAP and Active Directory authentication.
- Delegated administration and domain separation for multi-tenant scenarios.
Backup and Disaster Recovery
- Real-time backup and restore using zmbackup.
- Snapshot strategies for mail store and database volumes.
- Cross-site replication and failover procedures.
Administration and Monitoring
- Admin console deep dive: COS, quotas, and message retention.
- CLI utilities for batch operations and scripting.
- Performance tuning and JVM memory allocation.
Requirements
- Solid Linux server administration experience.
- DNS management including MX, A, TXT, and SRV records.
- Understanding of web servers, proxies, and Java applications.
Audience
- Enterprise messaging architects replacing Exchange or Google Workspace.
- Organizations seeking a single-tenant collaboration server.
- Government and education sectors with data localization mandates.
21 Hours
