Best Open Source Email Servers 2026

Email Servers

Email Servers Romanian Clear Filters

Browse free open source Email Servers and projects below. Use the toggles on the left to filter open source Email Servers by OS, license, language, programming language, and project status.

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1

Small HTTP server

Universal server

It is not only a web server, it is also Mail server, DNS server, FTP server, Proxy server, VPN server and client... All in one! This program will help you to open all the possibilities Internet can offer for your company - public site, provide Internet access and personal mailboxes for each employee! HTTP server. Server Side Includes. Regular expression in SSI. CGI interface for scripts (Executable files; Perl,PHP, or another external interpreters) ISAPI interface. Virtual hosts and directories Mail POP3 server. SMTP server. FTP server HTTP proxy server DNS server DHCP server HTTP TLS VPN server

Downloads: 27 This Week

Last Update: 2026-03-01
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2

RainLoop Webmail (PHP)

Simple, modern & fast web-based email client

Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.

Downloads: 1 This Week

Last Update: 2020-01-30
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3

iMSCP - Multi-Server Control Panel

Internet - Multi Server Control Panel

i-MSCP (internet Multi Server Control Panel) is an open-source project which allows the management of shared hosting environments on Linux servers. i-MSCP aims to provide an easy-to-use Web interface for end-users (administrators, resellers and clients) and to manage servers without any manual intervention on the filesystem.

Downloads: 0 This Week

Last Update: 2018-12-08
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4

machiNET Mailserver

Mail system postfix dovecot openldap contact syncronization

Machinet mailserver is a setup for a (small) enterprise mail server using standard GPL components

2 Reviews

Downloads: 0 This Week

Last Update: 2015-08-23
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