SME Server AlternativesOnly apps categorised as Mail Servers

The best Mail Server alternative to SME Server is Zentyal. It's not free, so if you're looking for a free alternative, you could try NethServer or Linux Schools. If that doesn't suit you, our users have ranked nine alternatives to SME Server and three of them are Mail Servers so hopefully you can find a suitable replacement.

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SME Server alternatives are mainly Linux Distros but may also be Operating Systems or Mail Servers.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of SME Server.
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SME Server is a leading distribution for small and medium enterprises. It stands apart from the competition by shipping with most common functionality preconfigured and features a number of popular additional enhancements...

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SME Server alternatives page was last updated Jul 2, 2021
  1. Zentyal icon
     54 likes

    Zentyal is a native Microsoft Active Directory implementation on Linux incorporating all the network services required in a small and medium business environment: Directory & Domain Server, Mail Server, Gateway and Infrastructure Server.

    26 Zentyal alternatives
    Dashboard

    License model

    Application types

    Platforms

    • Linux

    Zentyal Features

    1.  Gateway
    2.  Member Directory
    3.  Web interface
    Zentyal iconSME Server Icon

    Zentyal VS SME Server

    Is Zentyal a good alternative to SME Server?
     
    • Zentyal is the most popular commercial alternative to SME Server.

    • Zentyal is Paid and Open SourceSME Server is Free and Open Source
  2. NethServer icon
     34 likes

    NethServer is a CentOS-based Linux distribution for servers. The product's main feature is a modular design which makes it simple to turn the distribution into a mail server and filter, web server, groupware, firewall, web filter, IPS/IDS or VPN server.

    11 NethServer alternatives
    NethServer screenshot 1

    License model

    • FreeOpen Source

    Application types

    Platforms

    • Linux
    • Self-Hosted
    • CentOS

    NethServer Features

    1.  OpenVPN
    2. Microsoft Active Directory icon  Active Directory integration
    3.  Gateway
    4.  Web filter
    5.  Linux-based
    NethServer iconSME Server Icon

    NethServer VS SME Server

    Is NethServer a good alternative to SME Server?
     
    • NethServer is the most popular Self-Hosted alternative to SME Server.

    • NethServer is Free and Open SourceSME Server is also Free and Open Source
  3.  2 likes

    Linux Schools consists of Karoshi Server and Karoshi client. It is an Ubuntu LTS Server based solution especially designed for educational environments. It is a fully modular and scalable distribuition, mainly written in Bash.

    4 Linux Schools alternatives
    Linux Schools screenshot 1

    License model

    • FreeOpen Source

    Application types

    Platforms

    • Linux

    Linux Schools Features

    1.  Digital Signage
    2.  Modular System
    3.  DHCP Server
    4.  Based on Ubuntu
    5.  DNS Server
    6.  All in one
    SME Server Icon

    Linux Schools VS SME Server

    Is Linux Schools a good alternative to SME Server?
     
3 of 3 SME Server alternatives