Kopano
Secure groupware for email, calendar, and collaboration
About Kopano
Kopano is a container-based cloud groupware platform offering email, calendar, contacts, notes, and tasks with native Outlook integration, ActiveSync for mobile, and a web client. Operated by NHe4a GmbH with over 20 years of groupware heritage (formerly Zarafa), it serves businesses needing a GDPR-compliant, EU-hosted alternative to Microsoft 365 or Google Workspace.
Pros & Cons
Pros
- GDPR-compliant EU hosting offers a privacy-focused alternative to US cloud giants
- Native Outlook compatibility means no client retraining for migrating teams
- Over 20 years of groupware engineering experience (Zarafa lineage)
- Scales from small teams to 50k+ user multi-tenant deployments
- Container-based architecture speeds up deployment and updates
Cons
- Pricing is not publicly listed, requiring sales contact for production quotes
- Smaller ecosystem and third-party integration library than Microsoft 365 or Google Workspace
- Brand recognition is lower outside European markets
- No public marketplace of add-ons or AI-powered features comparable to Copilot or Gemini
Key Features
Email with Custom Domains
Unlimited mailboxes with support for your own custom email domains.
Calendar & Scheduling
Shared calendars with event scheduling, reminders, and resource booking.
Native Outlook Integration
Works seamlessly with Microsoft Outlook via auto-discover, no plugins required.
Web Mail Client
Feature-rich browser-based webmail client for accessing email anywhere.
ActiveSync for Mobile
Push email, calendar, and contacts to iOS and Android devices via ActiveSync.
Notes, Tasks & Contacts
Complete PIM functionality with synced notes, task lists, and contact management.
Self-Service Admin UI
Management interface lets admins and users handle account settings without IT tickets.
REST API & LDAP/AD Sync
Automate workflows via REST API and connect to existing directory services.
Multi-Tenant Architecture
Scales to 50,000+ users with isolated tenants and branded UI customization.
GDPR Compliant EU Hosting
100% GDPR compliant with hosting in your chosen EU location for data sovereignty.
Pricing
- Up to 10 users
- Full feature access
- Email, calendar, contacts, tasks
- Outlook & ActiveSync support
- Unlimited mailboxes
- Custom domain support
- Web client & Outlook
- ActiveSync mobile sync
- REST API access
- EU GDPR-compliant hosting
- Multi-tenant deployment
- 50,000+ user scale
- LDAP/AD directory sync
- Branded UI customization
- Migration & training services
- Priority support
Best For
European businesses needing GDPR-native email
Companies with strict EU data residency requirements get email, calendar, and collaboration hosted entirely within EU borders.
Microsoft 365 alternative for SMBs
Teams wanting Outlook compatibility without Microsoft's licensing model use Kopano as a drop-in replacement.
Service providers offering hosted groupware
MSPs and ISPs deploy Kopano's multi-tenant architecture to resell branded email and calendar services.
Organizations migrating from Zarafa or legacy mail servers
Long-time Zarafa or Kopano on-prem users move to the cloud-managed version while retaining familiar workflows.
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