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Informative Report: Zimbra MP (Zimbra Modern Platform)

Review: Zimbra Mobile Plus (MP)

Verdict: A powerful backend solution for organizations that require granular control over mobile data, but it faces stiff competition from modern cloud-native suites like Microsoft 365 and Google Workspace.

1. Small Production (2-3 servers)

• Server A: LDAP Master + MTA + Proxy
• Server B: Mailbox Store + Logger
• Server C: LDAP Replica + MTA (backup)

8. Roadmap and Future Outlook

Based on Zimbra’s public product roadmap (as of Q1 2026):

| Quarter | Planned Feature | |---------|----------------| | Q2 2026 | Full-featured Outlook sync via Graph API bridge | | Q3 2026 | Built-in backup/restore manager with S3 compatibility | | Q4 2026 | Offline mode for Modern Web UI (Progressive Web App) | | H1 2027 | AI-based email categorization and smart replies | | Future | Classic ZCS 9.x extended support ends (EOL announced for 2028) | zimbra mp

Zimbra has stated that all new feature development is now on Zimbra MP, and classic ZCS receives only security and critical bug fixes.

Is Zimbra MP Right for You?

Choose Single-Server if:

• Less than 500 active mailboxes.
• You accept overnight maintenance windows.
• No budget for 3+ VM licenses.

Choose Multi-Server (MP) if:

• 500 mailboxes and growing.

• Uptime requirement >99.9%.
• Planned maintenance without end-user impact.
• You need to comply with data residency or high-availability policies.

Option B: Self-hosted (Network Edition)

For organizations that require data sovereignty. Zimbra MP requires:

• OS: Rocky Linux 8/9, Ubuntu 20.04/22.04 (RHEL 9 preferred).
• Hardware: Minimum 8 vCPU, 16GB RAM (Production). Note: MP uses more memory than Classic due to Node.js processes.
• Deployment command: ./install.sh --platform-modern-only.

5. Deployment Models

Zimbra MP supports two primary deployment models: Server A: LDAP Master + MTA + Proxy