Zentyal Offers the Only Drop-in Replacement for Microsoft® Exchange

Native compatibility with Microsoft Outlook®. No plug-ins needed!

mail calendar and contacts

Looking for an alternative to Windows® SBS & Microsoft® Exchange?

Windows® Small Business Server is now discontinued. Time to move to Zentyal!


Looking for an alternative to Microsoft® Hosted Exchange?

Zentyal for Hosting Providers is now available!


Native Compatibility with Microsoft Active Directory® & Microsoft® Exchange

Zentyal is the only vedor worldwide to offer native compatibility with both protocols!

Directory services

    Get your SMB Trial

    Enjoy for 30 days the Drop-in replacament for Windows SBS!

    Request your Trial

    Which Edition Is for Me?

    Simply select the services you need and get a customized offer to your mailbox.

    Discover my SMB Edition

    Hosting Provider Trial

    Test native drop-in replacement to Hosted Microsoft® Exchange! no connector needed.

    Request Trial


    “Elekta found in Zentyal a solution which brought together all the required elements in one integrated package. What is more, the support and partnership provided to develop it into a unique and tailored product was excellent. Zentyal’s flexible and responsive involvement was essential to the delivery of this important component of our radiotherapy product suite.”

    James Troke, Project Manager, Elekta