In the digital era, email remains the official and indispensable communication channel for every organization. However, subscription-based platforms such as Microsoft 365 or Google Workspace can create significant cost pressure, especially for small and medium-sized businesses.
Zimbra Mail Open Source Edition (OSE) is a professional open-source email server solution that delivers enterprise-grade features while eliminating annual license fees.
TSF Services provides end-to-end Zimbra Mail OSE deployment, optimized for performance, integrated with LDAP / Active Directory, and supported by robust backup solutions.
💡 What Is Zimbra Mail OSE?
Zimbra OSE (Open Source Edition) is the completely free version of Zimbra Mail Server, one of the most widely used open-source email platforms worldwide.
Zimbra OSE delivers all essential enterprise email features, including:
Send and receive email via Webmail, POP3, IMAP, SMTP
Calendar, contacts, and collaboration tools
User-friendly webmail interface with mobile support
Centralized administration via a web-based admin panel
Built-in support for SSL, LDAP/Active Directory integration, spam filtering, and antivirus protection
☑️ Zimbra OSE is ideal for businesses that want full control over their email system without recurring license costs or reliance on third-party providers.
🔧 Key Features of Zimbra OSE Deployed by TSF Services
👥 Active Directory / LDAP User Synchronization
Zimbra integrates seamlessly with Windows Server Domain Controller or LDAP servers, enabling:
Automatic user synchronization (no manual mailbox creation)
Centralized identity and access management
Single account login using Active Directory credentials
🔒 Free SSL with Let’s Encrypt
Automatic issuance and renewal of SSL certificates
Secure access for Webmail, SMTP, IMAP, and POP3
Improved trust and prevention of “Not Secure” browser warnings
🔁 Advanced Backup & Restore with Proxmox Integration
TSF Services deploys Zimbra on Proxmox virtualization, offering major advantages:
Full system backup via snapshots
Rapid restore within minutes in case of failure
Reduced downtime and enhanced data safety
Flexible deployment using LXC containers or virtual machines
📑 Powerful Administration Interface
Intuitive web-based admin console
Monitor email traffic, logs, and domain status
Integrated spam filtering, IP blocking, and content filtering tools
🌍 Multi-Domain Support & Custom Configuration
Manage multiple email domains on a single Zimbra system
Apply domain-specific mail policies
Full customization without vendor lock-in or service limitations
💼 TSF Services – Professional Zimbra Mail OSE Deployment Partner
TSF Services delivers consulting, deployment, configuration, and maintenance for Zimbra Mail Server, suitable for:
🏢 Small & medium-sized enterprises
🏫 Schools and training centers
🏭 Factories and industrial zones
💻 IT teams requiring a self-hosted email infrastructure
✨ Our Services Include:
Installation of Zimbra OSE on Linux servers or Proxmox
LDAP / Active Directory integration for user synchronization
SSL Let’s Encrypt deployment and security hardening
Administrator training and mail recovery guidance
Performance tuning, spam filtering, and system optimization
💰 Zimbra Mail OSE Deployment Pricing – Transparent & Cost-Effective
| Service Package | Description | Estimated Cost |
|---|---|---|
| 🔹 Basic | Zimbra OSE installation, 1 domain, up to 10 users | From 3,500,000 VND |
| 🔸 Advanced | AD integration, SSL, Proxmox backup configuration | From 6,000,000 VND |
| ⚙️ Custom Project | Multi-domain systems, advanced anti-spam | Contact for quotation |
💡 No software license fees – one-time investment for a long-term, stable private email system.
✅ Benefits of Choosing Zimbra OSE with TSF Services
👨💻 Proven experience in enterprise email server deployments
🔐 High-level security with free SSL, spam filtering, and access control
💰 Zero annual license fees – fast return on investment
🔁 Automated user management via Active Directory
📦 Flexible backup with Proxmox for maximum data protection
📞 Ongoing post-deployment technical support and troubleshooting
📌 Conclusion
Zimbra Mail OSE is the ideal solution for businesses seeking a secure, private, and cost-effective email server without recurring subscription fees. With seamless LDAP/Active Directory integration, Let’s Encrypt SSL, and Proxmox-based backup, Zimbra OSE meets the needs of modern enterprises.
TSF Services is committed to delivering a stable, optimized, and professionally supported Zimbra Mail system, helping your organization communicate securely and efficiently.
👉 Contact TSF Services today for expert consultation and a customized Zimbra Mail OSE deployment plan.
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