Open Source Email Servers

Filebench is a file system and storage benchmark that can generate both micro- and macro-workloads. It employs versatile Workload Model Language (WML) for detailed workload specification. Filebench includes several popular macro-workloads in its distribution: Web-server, Mail-server, Database-server, and others.

acSMTP is a SMTP/POP3/IMAP mail server for Win32. May serve MX hosts and in-LAN mail. Black/white lists for IPs/Emails, RBL spam blocks, DNS Email validation, optional DBMS backend for lists and rules, custom user authorization, AntiVirus API.

Rumble is a mail server suite for SMTP (ESMTPSA), HTTP, POP3 and IMAP4v1 with an extensive C/C++ and Lua API for scripting. It comes with support for SSL/TLS, SQLite and MySQL and has a web-based administration and webmail feature. Additional included modules feature greylisting, DNS blacklisting, SpamAssassin support and dynamic performance scaling as well as a multithreaded structure that allows for clustering of multiple servers for one or all domains, and with the ease of the Lua API, you can create your own new server mailing lists, CRM software, e-marketing and other extensions within minutes.

Pulsar POP3 server (daemon) is easy to use with intuitive configuration file. It supports virtual (non-system) users and virtual hosts (IP based and user supplied). Can run from xinetd, inetd or standalone.

PyWebMail is a Python library and POP3 gateway that enable working with WebMail servers like with POP3 or IMAP mail server. Currently Mail.Com, Yahoo! Mail, Gmail, Netscape.Net, HotMail and some minor servers support is finished.

SmartSieve is a web based graphical user interface for creating and managing sieve scripts for mail filtering and vacation messaging on a cyrus imap mail server. Written in PHP, SmartSieve is easy to configure and use.

IntraMail is a e-mail server, supporting POP3 and smtp, for internal - external use in your network. This program can download messages from multiple (external) accounts and with filters divided over your local mailboxes.

Java based mailserver providing a SMTP and POP3 protocoll implementation easy configurable, OS independent, extendible

Pop3/Smtp connector for email server. Using scheduler / multithread download email from POP3 account or act as an SMTP gateway. Filtering via external tools.

A small, fast, secure, anti-spam SMTP mail server (MTA). Delivery to mbox files and Maildirs supported. qwik-smtpd supports RBL, relay checking, raw/custom message handlers, and more. Custom authentication via checkpassword and a qmail-compatible configu

A web based easy to use interface for creating Sieve scripts on an Cyrus Imapd mail server as well as allowing users to set access controls, create new mailboxes and view their mail quota. Also give administrators full administrative capabilities(quota,ac

A fake mail server that captures e-mails as files for acceptance testing. This avoids the excessive configuration of setting up a real mail server and trying to extract mail queue content. Sponsered by Wordtracker.

Mail8 is a simple webmail application written in PHP which can be used and integrated in any Email Server supporting IMAP protocol.

This app can check if password valid for login.This app support for 3 mail server: gmail.com mail.ru yandex.ru Soon I'll upgrade my app.He will support yahoo.com etc... I will happy to listen your views!-)

Web-interface management for virtual domains, email-addresses and aliases for the courier mail server. Depends on MySQL and PhP

EFortika is essentially a fully functional mail server built upon a combination of freely available open source software with a focus towards ease of deployment, management and security with insecure protocols disabled by default. The project aim is to produce a functional email server that can easily installed by the average sysadmin with minimal configuration and with an expectation of stability and security. The primary target audience is individuals keen to move away from public email services (see Gmail, Hotmail .etc) and towards their own low-cost privately managed email solution. The design of Efortika is scalable enough to suit many small to medium business needs however, larger scale deployments requiring modular or highly available solutions are not currently supported but are in included in the project plan. Please see the project wiki for further documentation, installation requirements and installation instructions: https://sourceforge.net/p/efortika/wiki/EFortika

This is simple modular SMTP/POP3 Email server written in PHP. it uses a MYSQL database for user authentication. supports user alias and can handle multiple domains.

EmpeecoMail: A full featured POP3 mail server, proxy server, DHCP server, fax server. Interactive/service on WIN32 systems. Multiple users mailboxes on LAN or Broadband VPN. Collect from multiple external Mailboxes. Spam Filter.

Extensive High Availability Modules (XHAM) provides “active-active” failsafe solutions to your Linux Firewall, Gateway, Router, Email Server, NIDS (Snort), Proxy, Samba, MySQL (with NAS), and Apache.

Modular EMail Server with features to support SMTP-after-POP,Anti-Virus filter by using popular AV-Scanners,IMAP,POP3,SSL,ODMR,SASL and has an easy configuration. (SMTP,ODMR,IMAP,POP3,SASL,CHUNKING,BINARYMIME,PAM)

Ichabod is an SMTP/POP3 server, with mailing list support. Administration is via a web, or email You can also use Ichabod to make your app receive email as an SMTP server. You can also easily extend it by subclassing to add your own behaviors.

JAmes Ldap List Server. A mailet for the Apache James email server which enables your existing groups in an LDAP directory to be mailed as though they are mailing lists.

JAMS is an SMPT/POP3 mail server written entirely in Java and using an RDBMS as the backing store.

Jpxx is a lightweight ESMTP/POP3 java mail server. After v0.03, JMS can be run with a separate servlet engine (or application server) such as Apache Tomcat or Resin. It is used to run as a plugin.

MESH Network Monitor is a Windows 32bit program designed to monitor Community Based MESH Networks and there respective servers. Has the ability to do ping, web server and email server tests. Can then peform varying actions when it encounters a proble