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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.


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.


Dedicated mail server

-Integrates modern webmail and ActiveSync
-Unlimited virtual mail domains
-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.

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.


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.

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.


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

Join the Avosec Zentyal Partner program today

Zentyal The Alternative to Windows Servers.


PO Box 2089 - Croydon - CR90 9PG

Office Phone Numbers

UK +44 (0) 207 100 4509 
BG +359 (0) 2 491 7532001
GR +30 (0) 211 1990002