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The scalable platform that is natively interoperable with Microsoft Outlook® clients and Microsoft Active Directory® protocols.

  • No plugins or connectors needed.
  • Same platform for IMAP and MAPI.
  • Scale at your own pace.

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The core nature of Zentyal Cloud is native interoperability, making Linux speak Exchange and Active Directory. Zentyal Cloud is highly scalable, customizable and ready for the cloud.


Zentyal Cloud has native Microsoft® Exchange protocol implementation and is natively compatible with Microsoft® Outlook and mobile devices with ActiveSync®. You can easily extend your infrastructure with this service and provide your clients or users with what they need.


Native Active Directory interoperability on Linux with Zentyal Cloud Directory. It uses Samba and MySQL and allows the central management of all the typical directory figures.

Microsoft Outlook® support
  • Email, calendars and contacts. Native.
  • No plug-ins. No connectors
  • Data migration path from Hosted Exchange
  • Server settings autodiscover
  • Auto-refresh and notifications
  • Global Address List support
  • Shared contacts support
  • Shared calendars support
  • Out of Office support
  • Webmail with extra features, such as mail filters.
  • ActiveSync® mobile support
  • Supported versions: Microsoft Outlook® 2007, 2010, 2013
  • Support for standard IMAP clients
  • Complete isolation of client companies
  • Different prices for IMAP and MAPI customers
  • Manage multiple mail domains and mail alias
  • Homogeneous deployment to hold all your clients’ data
Control panel
  • Easy and simple web UI to manage companies, users and accounts
  • Three-tier access to account administration
    (Hoster > Reseller > Client company)
  • Mail quotas for companies and users
  • Upgrade IMAP accounts to MAPI
  • Easy integration with third-party control panels
  • Integration with your existing email system
    (such as Dovecot and Postfix)
  • Documented Python™ API to integrate with external solutions
    (WHMCS™, cPanel®, Parallels™, etc)
  • Open protocols, data formats and backends
  • Supported protocols: MAPI, SMTP, POP3, IMAP, CalDAV, CardDAV, SIEVE, ActiveSync®
  • Standardised, reliable backend components
  • Modular architecture
  • Scale horizontally using multiple redundant nodes
Technical Support
  • 24×7 certified technical support
  • Support during deployment and migration
  • Software updates for key components

Who is Zentyal Cloud for?

Here are just a few of the most common use cases.

Hosting & Hosted Exchange

Are you a hosting provider or a company that wants to host their own Outlook compatible mail and/or cloud? The platform provides a solution that is fully compatible with Microsoft®Outlook and mobile devices with ActiveSync®.

Zentyal has created a complete hoster infrastructure product with Zentyal Cloud, fully compatible with Exchange protocols and Active Directory. This product helps hosting providers to improve their services and will save them costs.

Implementation is fast, cheap and secure, because it simply extends your IT environment. You can move to the cloud at your own pace.

Groupware Integrators / Providers

Zentyal Cloud is essential for groupware, because it offers native Microsoft® Exchange protocol implementation and Active Directory. Apart from this it has ActiveSync® support, so that people can connect with their mobiles.

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Request the free trial of the complete hoster infrastructure product with Zentyal Cloud.

This trial will show you that Zentyal Cloud is fully compatible with Microsoft® Outlook and mobile devices with ActiveSync®.

Request your Free Trial