Enterprise Zimbra
Mail System & Migration
High-availability Zimbra Collaboration Suite deployment tailored for enterprises scaling from 100 to over 10,000+ mail accounts. Guaranteed zero-downtime migration, strict security, and full data sovereignty by Dot Slash Ltd.
100 - 10k+
Mailbox Scale
99.99%
Uptime Target
Zero
Data Loss Migration
Dot Slash Enterprise SLA
24/7 Monitoring & System Support
Service Provider
บริษัท ดอท สแลซ จำกัด
ปทุมธานี 12000
Email Address
Tailored Architecture Tiers
Designed for Your Mail Scale
From mid-sized businesses to massive multinational corporate groups, we build optimized multi-node Zimbra environments.
Mid-Sized Enterprise
100 - 1,000 Accounts
Single or Dual node server setup with dedicated security gateway, optimized for high email throughput and cost effectiveness.
- Single / Dual Server Setup
- Clean PMG / Postfix Gateway
- Full PST / IMAP Migration
- SSL & Standard Backup Schedule
Large Enterprise
1,000 - 5,000 Accounts
Multi-node clustered architecture separating LDAP, MTA, and Store roles for high performance and fault tolerance.
- Multi-Node Role Separation
- Active Anti-Spam / DLP Gateway
- Live Sync Migration
- High Availability (HA) Failover
Massive / Group Enterprise
5,000 - 10,000+ Accounts
Distributed multi-tenant infrastructure designed for holding companies, financial institutions, and government sectors.
- Fully Distributed Cluster Topology
- Multi-Domain & White-label Ready
- Custom Active Directory / LDAP Sync
- Dedicated 24/7 SLA Engineering
Comprehensive Scope
End-to-End Zimbra Implementation
Dot Slash Ltd. handles every critical aspect of your enterprise mail infrastructure setup and data migration.
System Hardening & Security
Deployment of OS-level security patches, firewall protection, SSH restriction, and strict fail2ban access policies.
Seamless Data Migration
Zero-downtime migration from Microsoft Exchange, Office 365, Google Workspace, or cPanel IMAP mailboxes.
Anti-Spam & Mail Gateway
Integration of Proxmox Mail Gateway (PMG) / Postfix with DKIM, SPF, and DMARC enforcement for 100% deliverability.
High Availability Clustering
Configuring active-passive or load-balanced clusters to ensure your organization suffers zero downtime during outages.
Backup & Disaster Recovery
Automated point-in-time mail backup schedules and DR strategies allowing single mailbox or full-server recovery.
24/7 SLA & Maintenance
Ongoing server monitoring, security updates, disk growth planning, and direct engineer SLA support.
Upgrade User Experience with
Zimphony Webmail Workspace
Zimphony is a modern UI front-end layer built specifically for Zimbra Mail Server. Give your team a sleek, modern, app-like webmail experience without modifying your core Zimbra backend.
White-Label Branding
Customize domain logos, themes, and portal URL for each corporate domain.
Built-in 2FA Security
Enforce Two-Factor Authentication (TOTP / Authenticator Apps) out of the box.
Google Connect
Connect Google Drive, Google Calendar, and Tasks directly into webmail UI.
Zero Data Migration
Runs alongside your Zimbra instance without moving or altering mail files.
Enterprise Mail Server Assessment
From: support@dotslash.co.th
Hello Team, your Zimbra HA cluster migration is successfully completed. Zimphony modern Webmail layer is now live.
Enterprise Value
Estimate Your Cost Savings
Compare Zimbra On-Premise/Private Cloud deployment with standard Cloud SaaS subscriptions.
Est. Annual SaaS Cloud Cost
฿2,400,000 / yr
Est. Zimbra + Dot Slash Operations
฿960,000 / yr
Estimated Enterprise Savings
~฿1,440,000 / yr
Up to 60% reduction in long-term TCO
Methodology
Our Implementation Journey
A structured engineering process ensuring smooth transition without email loss or business downtime.
Consultation
Requirements gathering, account volume assessment, and current system audit.
Architecture
Custom topology design (single/multi-node), storage dimensioning, and security planning.
Deploy & Migrate
Server provisioning, Zimbra installation, PMG gateway setup, and live background mail sync.
QA & Handover
Deliverability testing (DKIM/SPF/DMARC), user acceptance testing, and admin training.
24/7 SLA Support
Proactive server monitoring, routine patching, and ongoing SLA maintenance support.
Get in Touch
Consult Our Engineers
Ready to upgrade your enterprise mail system or implement Zimbra? Contact Dot Slash Ltd. for a tailored architectural proposal.
บริษัท ดอท สแลซ จำกัด
89 หมู่ 5 ตำบลบ้านใหม่ อำเภอเมือง จังหวัดปทุมธานี 12000
Direct Hotline
+66 81 541 4144Email Address
info@zimphony.com