Zentyal Windows Server Alternative

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Easy Linux alternative to Windows Server

Join Windows® clients to the domain and manage them transparently. No disruption to your users, no user or device CALs.

Domain & Directory Server

Native compatibility with Microsoft Active Directory®, causing no disruption to your users. Inexpensive, doesn’t require CALs.

Mail Server

Comes with industry-standard SMTP and POP3/IMAP mail server built upon the most established technologies and protocols.


Guarantees reliable and secure Internet access and helps to manage all the basic network Infrastructure services.

Updates and Support

Receive software updates and get support when needed. Zentyal deliver Training and Guidance.

Ease the management of your IT infrastructure

Manage your Windows® users as you are used to, without the associated cost. Plus unify network infrastructure management to get to focus on the business critical IT of your organization.

Replace your MS Active Directory® seamlessly

-Set up as a stand-alone server or additional DC of a Windows domain

-Manage GPOs with RSAT

-Inexpensive, doesn’t require CALs

Zentyal offers an easy to use Windows Server® alternative. It comes with native compatibility with Microsoft Active Directory® allowing you to join Windows® clients to the domain and manage them easily, causing no disruption to your users.

Dedicated mail server

-Integrates modern webmail and ActiveSync

-Unlimited virtual mail domains

-Inexpensive, doesn’t require CALs

-User management via Zentyal or Microsoft® Active Directory

-Antivirus & Antispam

Zentyal includes the industry-standard SMTP and POP3/IMAP mail servers built upon the most established technologies and protocols. Gives you the opportunity to deploy Zentyal as a mail server, domain & directory server with mail or all-in one server.

Secure Internet access and unify your network infrastructure


-User authentication in HTTP Proxy

-Domain-based HTTPS web pages block

Zentyal allows you to unify and easily manage all the basic network infrastructure services and to offer reliable and secure Internet access. It covers services from DNS/DHCP, CA, VPNs and backup to gateway, firewall and HTTP proxy to mention few.

Expert technical assistance

-Covers all the Zentyal Server features

-Provided by the Official Zentyal Support Team

-Best-effort support for migrations from Windows Server

Not quite sure if you have the necessary knowledge to set-up and maintain Zentyal Server in-house? Count on the Zentyal Support Team – They have extensive experience in providing support for commercial Zentyal deployments.

Full feature list

Directory & Domain groups

Audit mode on/off (file server)

Integrated software: Samba


Supported protocols: SMTP, POP3, IMAP, CalDAV, CardDAV, SIEVE

Supported clients: Mozilla Thunderbird®



Synchronization to mobile devices via ActiveSync

Multiple virtual mail domains

Single Sign-On (SSO) authentication


Management via Zentyal or Microsoft® Active Directory

Antivirus & Mail filter

Integrated software: Postfix, Dovecot, Fetchmail, Sieve, SOGo, SOGo ActiveSync, Amavis, ClamAV, SpamAssasin


Network configuration




Network authentication service (RADIUS)

HTTP Proxy


User authentication in HTTP Proxy

Domain-based HTTPS web pages block

Integrated software: Iproute2, Netfilter, Squid, Suricata, FreeRADIUS


DHCP and DNS server

NTP server

Certification Authority (CA)

Virtualization Manager

Virtual Private Networks (VPNs)


Instant Messaging (IM) service

FTP Server


Antivirus on-access scan

Integrated software: BIND, ISC DHCP Software, ntpd, OpenSSL, OpenVPN, ejabbered, Libvirt/KVM, Duplicity, vsftpd, Libreswan


Real-time alerts

Daily reports

Kernel management

Support & Updates

Software and security updates

Software upgrades

Access to the knowledge base

Technical support

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