Zimbra

Zimbra is a secure, open standards-based enterprise email and collaboration suite offering flexible deployment and data sovereignty.

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Overview

Zimbra provides email, calendar, contacts, tasks, file sharing, and collaboration tools with options for on-premises, cloud, or hybrid deployment. It supports open standards, integrates with major clients and mobile devices, and includes security features like S/MIME encryption and two-factor authentication.

Last updated: Sep 6, 2026

Key Features

Email and Collaboration Suite

Provides email, calendar, contacts, tasks, and file sharing with a unified interface accessible via web, desktop, and mobile clients.

Flexible Deployment Options

Supports on-premises, private cloud, hybrid, or hosted deployments to meet data sovereignty and compliance requirements.

Open Source Transparency

Core server and web client are open source under GPLv2, allowing full visibility and auditability of the codebase.

Security and Compliance Features

Includes S/MIME encryption, two-factor authentication, single sign-on (SSO), mobile device management, and compliance archiving.

Integration and Interoperability

Built on open standards with support for IMAP, POP, CalDAV, CardDAV, Exchange ActiveSync, Exchange Web Services, and Zimlets for third-party integrations.

Zimbra Office and Document Editing

Integrated in-browser editing and real-time collaboration on documents, spreadsheets, and presentations supporting multiple file formats.

Advanced Chat and Messaging

Enterprise-grade chat with file sharing, group chats, message history search, and channels to support team communication.

Administration and Scalability

Multi-tenant management, delegated administration, backup and restore, storage management, and scalable performance from 10 to millions of users.

Pros

Supports multiple deployment models including on-premises and cloud for data sovereignty.
Open source core with transparent codebase for security and auditability.
Comprehensive security features including S/MIME, 2FA, and SSO integration.
Broad client compatibility including Outlook, mobile devices, and web clients.
Scalable from small teams to large enterprises with multi-tenancy and delegated administration.

Cons

Advanced features require commercial licensing beyond the open source edition.
End-to-end encryption is limited to email; chat and collaboration lack client-level end-to-end encryption.
Pricing details are not publicly disclosed and require contacting sales.
User interface options include classic and modern, which may affect user experience consistency.
Some interoperability features require additional licenses, such as Exchange Web Services integration.

Pricing

Zimbra pricing plans
Plan	Price	Highlights
Contact Sales	Custom	Access to Standard and Professional editions Flexible licensing based on user count and feature needs Commercial support and professional services options

Pricing is collected from the official Zimbra website and may change. Always confirm with the vendor.

Frequently Asked Questions

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Community reviews (0)

Most recent

No reviews yet. Be the first to share your experience.

Ratings & reviews

No reviews yet. Be the first to share your experience.

Share your experience

Help others decide, your insights matter

Community reviews (0)

Most recent

No reviews yet. Be the first to share your experience.

Key Features

Email and Collaboration Suite

Provides email, calendar, contacts, tasks, and file sharing with a unified interface accessible via web, desktop, and mobile clients.

Flexible Deployment Options

Supports on-premises, private cloud, hybrid, or hosted deployments to meet data sovereignty and compliance requirements.

Open Source Transparency

Core server and web client are open source under GPLv2, allowing full visibility and auditability of the codebase.

Security and Compliance Features

Includes S/MIME encryption, two-factor authentication, single sign-on (SSO), mobile device management, and compliance archiving.

Integration and Interoperability

Built on open standards with support for IMAP, POP, CalDAV, CardDAV, Exchange ActiveSync, Exchange Web Services, and Zimlets for third-party integrations.

Zimbra Office and Document Editing

Integrated in-browser editing and real-time collaboration on documents, spreadsheets, and presentations supporting multiple file formats.

Advanced Chat and Messaging

Enterprise-grade chat with file sharing, group chats, message history search, and channels to support team communication.

Administration and Scalability

Multi-tenant management, delegated administration, backup and restore, storage management, and scalable performance from 10 to millions of users.

Pros

Supports multiple deployment models including on-premises and cloud for data sovereignty.
Open source core with transparent codebase for security and auditability.
Comprehensive security features including S/MIME, 2FA, and SSO integration.
Broad client compatibility including Outlook, mobile devices, and web clients.
Scalable from small teams to large enterprises with multi-tenancy and delegated administration.

Cons

Advanced features require commercial licensing beyond the open source edition.
End-to-end encryption is limited to email; chat and collaboration lack client-level end-to-end encryption.
Pricing details are not publicly disclosed and require contacting sales.
User interface options include classic and modern, which may affect user experience consistency.
Some interoperability features require additional licenses, such as Exchange Web Services integration.

Pricing

Zimbra pricing plans
Plan	Price	Highlights
Contact Sales	Custom	Access to Standard and Professional editions Flexible licensing based on user count and feature needs Commercial support and professional services options

Pricing is collected from the official Zimbra website and may change. Always confirm with the vendor.

Zimbra

Overview

Key Features

Email and Collaboration Suite

Flexible Deployment Options

Open Source Transparency

Security and Compliance Features

Integration and Interoperability

Zimbra Office and Document Editing

Advanced Chat and Messaging

Administration and Scalability

Pros

Cons

Pricing

Featured Video

Frequently Asked Questions

Ratings & reviews

Ratings & reviews

Community reviews (0)

Ratings & reviews

Community reviews (0)

Key Features

Email and Collaboration Suite

Flexible Deployment Options

Open Source Transparency

Security and Compliance Features

Integration and Interoperability

Zimbra Office and Document Editing

Advanced Chat and Messaging

Administration and Scalability

Pros

Cons

Pricing

Featured Video

Frequently Asked Questions

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Ratings & reviews

Community reviews (0)

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