Zentyal announces Zentyal Server 4.1

  • Zentyal releases a new version of their popular Linux Server with full native Microsoft® Outlook Compatibility.
  • Microsoft, CENATIC, Red Hat, Collabora and Kolab to strengthen Interoperability and Openness discussions at Protocols Plugfest Europe 2015.

Download this press release in PDF: English and Spanish.

March 30, 2015, Zaragoza (Spain) – Zentyal Development Team announced Zentyal Server 4.1, a new release of the Zentyal Server with native Microsoft® Exchange protocol implementation and Microsoft® Active Directory interoperability. At the same time there are very interesting developments on the Protocols Plugfest Europe 2015, organized by Zentyal.

Zentyal Server 4.1 aims at offering a Linux based Server to businesses with Mail, Domain & Directory, Basic Networking, Firewall and Infrastructure, that can be set up in less than 30 minutes, is both easy-to-use and affordable and offers full native Microsoft® Outlook Compatibility.

This release is completely focused on improving the stability and set of features delivered by the OpenChange module, based on Ubuntu 14.04.2 LTS to provide the latest stable packages.

This edition comes in two different flavors: the open development version (formerly known as the community edition) for bleeding edge testing of the latest available features and a stable commercial version for production environments (fully tested and stable, Quality Assured software updates and with commercial support).


Zentyal Server 4.1 has the following set of features:

  • Mail
    • Native compatibility with Microsoft® Exchange Server Protocols
    • Support for Microsoft Outlook® 2007, 2010, 2013
    • Native compatibility with Microsoft Active Directory®
    • Multiple Virtual Mail Domain
    • Email, calendars, contacts
    • Webmail
    • Synchronization with mobile devices (ActiveSync® support)
  • Domain & Directory
    • Central domain directory management
    • Users, Security Groups, Distribution Lists, Contacts
    • Multiple Organizational Units (OUs)
    • Single Sign-On (SSO) authentication
    • Supported OS: Windows® XP, Windows Vista®, Windows® 7, Windows® 8
    • File sharing in Windows® environments (CIFS)
    • Users & Groups access and modification permissions (ACLs)
    • Advanced domain management through the RSAT tools
    • Printers Management
  • Basic Networking and Firewall
    • Static and DHCP interfaces
    • Objects & Services
    • Packet Filter
    • Port Forwarding
  • Infrastructure
    • DNS Server
    • DHCP Server
    • NTP Server
    • Certification Authority
    • VPN Server & Client

To migrate from Zentyal Server 4.0 to 4.1, you only need to upgrade your 4.0 installation to the last available packages once they are released and a button will appear on the dashboard.

Important note: In order to focus on the improvement native Microsoft® Exchange protocol implementation and Active Directory interoperability, several additional packages had to be removed. These are: antivirus, ha, jabber, l2tp, mailfilter, squid and trafficshaping. If you depend on the functionality of these additional packages, it is suggested to not migrate.


Zentyal Server 4.1 is released under the GPLv2 license and is freely available for download at:

The Zentyal Server source code is available at:

Additional information

The detailed Zentyal Server 4.1 release announcement is available at:

Zentyal Server 4.1 documentation will be shortly available at:

Protocols Plugfest Europe 2015

This event, organized by Zentyal, will bring together experts from leading technology companies and open source projects so that they can share visions, experiences and technical knowledge to help advance the industry in its quest for interoperability.

Protocols Plugfest Europe 2015 reinforces the collaboration on interoperability and protocols between open source and non-open source companies and projects. The agenda currently includes 29 confirmed speakers and over 30 sessions, providing technical and business insights from Microsoft, Red Hat, CENATIC, SerNet, Dell, Collabora, KDE, FSFE, RavenDB, Kolab Systems, LibreOffice, Igalia, BlueMind, Bitergia, Samba, OpenChange, Libelium, Griffin Brown Publishing, id law partners and Hibernating Rhinos.

“Protocols Plugfest Europe 2015 is providing a unique and neutral forum where technical issues and content around open protocols and interoperability can be presented and discussed,” said Ignacio Correas, Founder of Zentyal. “Open Source and cloud have been key for growing interoperability. We will see some real live examples and case studies during Protocols Plugfest Europe 2015”.

Registration for all keynotes, sessions, access to the Interoperability Lab, meals and social activities is 200€. This includes over 10 hours high quality networking.

The event will take place in Zaragoza, Spain, May 12-14 2015. For more information, please visit: or check out the blog

About Zentyal

Zentyal is the first ever provider of fully native Microsoft® Exchange protocol compatibility to the worldwide messaging and collaboration market.

Zentyal Cloud is the scalable platform from Zentyal that is natively interoperable with Microsoft Outlook clients.

This PaaS incorporates all the required features for both Microsoft Outlook clients and any standard Email (SMTP, POP3, IMAP), Calendar service (CalDAV), and Addressbook/Management (LDAP, CardDAV) clients, delivering the most interoperable user experience in the world.

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