Zentyal announces Zentyal Server 4.2

  • Zentyal releases a new version of their popular Linux Server with full native Microsoft® Outlook Compatibility.

October 22nd, 2015, Zaragoza – Zentyal, developer of server technology natively interoperable with Microsoft® server products, today announced a major new commercial version of the Zentyal Server.  Zentyal Server 4.2  aims at offering companies and organizations a Linux-based Server that can be set up in less than 30 minutes and is both easy-to-use and affordable.

The Zentyal 4.2 release focuses on providing an improved and stable server edition with native Microsoft® Exchange protocols implementation and Active Directory interoperability, with the goal of providing a complete and easy-to-use Small Business Server, with native support for mixed IT environments that include Windows®, Linux and Mac OS® clients, as well as mobile devices with ActiveSync®. Thanks to this, Zentyal server 4.2 offers full native Microsoft® Outlook Compatibility without plugins or connectors.

Besides focusing primarily on mail and mail-related directory features, additional improvements have also taken place. It  will  come  with  all  the  latest  updates  from  Ubuntu  14.04.3.  As  a starred  feature,  it  will  integrate  Samba 4.3.1,  with  lots of improvements for Active  Directory  services  and  support  for  Windows ® 8.1  and  the  newest  Windows®  10. The installer has been upgraded to support newer network interfaces.

Apart  from  that,  the  release  is  focused  on  bugfixing  and  improvements  for  the  Outlook-compatible  Mail  &  Groupware  Exchange replacement.

Zentyal Server 4.2. Technical features:

Mail & Groupware

  • Improved  stability  and  scalability
  • No  plugins  or  connectors  needed  client-side
  • Support  for  Microsoft®  Outlook  2007  and  2010
  • Server  settings  autodiscover
  • Autorefresh  and  desktop  notifications  (commercial  version  only)
  • Outlook®  Anywhere  HTTPS  access
  • Global  address  list
  • Out-of-Office
  • ActiveSync®  support  for  mobile  devices
  • Web  access:  mail,  calendars  and  contacts
  • Standard  mail  protocols:  IMAPS,  POP3S,  SMTPS, CalDav.


  • Samba 4.3.1 – AD compatible directory
  • Main and additional Domain Controller operation modes
  • Ability to join Windows® 2008, 2008R2 and 2012 functional level domains
  • Windows client support from Windows® XP to Windows® 10

Migration of existing customers with Zentyal Server 4.1 to 4.2 will be supported at no extra cost. Customers wishing to upgrade can contact the Zentyal Support Engineers thorough the Support Platform.


Zentyal Server 4.2 is released under the GPLv2 and is available for download at:

The Zentyal Server source code is available at:

Additional information

The detailed Zentyal Server 4.2 release announcement is available at:

Free 30-day Trial of Zentyal Server 4.2 is available upon request at:

Full list of Zentyal 4.2 features is available at:

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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