Open Source BSD Email Servers

The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, Webmail, calendaring, and mailing list services.

PostfixAdmin is a Web Based Management tool created for Postfix. It is a PHP based application that handles Postfix Style Virtual Domains and Users that are stored in MySQL, PostgreSQL or SQLite

ISPConfig - ISP management and Hosting Control Panel. ISPConfig manages one or more webservers, mailservers, BIND DNS server, FTP servers, MySQL databases and virtual Servers with an easy to use webinterface for administrators, resellers and clients.

Convert Webmail to POP3.Is also included a SMTP/POP3 tunneling system that allow send and receive email in a private network HTTP PROXY based. All connection are plugin based. Over 450 email server supported and tested, GMAIL POP3/SMTP over Proxy Network.

HyperPool is a 100% pure Java project for network services management. TCP (HTTP/1.1, HTTPS, FTP, SMTP, POP3), UDP and SOCKS5 protocols support. Configurations: proxy, web server, mail server, download manager, port mapping.

Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support

DKIMproxy is an SMTP-proxy that implements the DKIM and DomainKeys standards, to sign and verify email messages using digital signatures and DNS records. It can be used to add DKIM support to nearly any existing SMTP mail server.

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.

YPOPs! is an application which emulates a POP3/SMTP mail server and provides free POP3 and SMTP access to Yahoo! Mail. It does not depend on Yahoo's POP3/SMTP mail server. You can use a mail client of your choice!

An SSL Postfix Management Interface in PHP/Ajax that handles all postfix parameters including Virtual Domains in LDAP.It handles all securities features by implementing all addons like Spamassassin,Clamav,Milter-greylist,amavis within technical skills

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.

PhpXmail the web based management software for the Xmail mail server and GUI of it's administration extensions.

Browsing your mail on mail server, And deleting mails without downloading.

Qmail-Scanner, is a Email content scanner that enables a Qmail Email server to scan all Email it receives for certain characteristics (normally viruses), and react accordingly.

SPAMSNAIL is a anti-spam filter dedicated to end-users with a slow / non permanent connection to their mail server. It is written in Perl and uses the Bayes system.

DISCONTINUED - phpSpamManager ( a Spam Manager GUI ) is a graphical interface for managing spam quarantines. It's fully adaptive and will suit any mail server/spam filter (like spamassassin )as long as messages are stored in individual files (like postf

This is a project initiated by the community around Stalkers CommuniGate Pro email server. The project is to maintain and develop an opensource WebSkin (interface) to the server. Platforms: Most UNIX's, AS/400, Windows etc. Look at Stalker.com.

CheckeredFlag is a super simple mail server. The intended use is for local application development that needs to be able to send email. CheckeredFlag runs on the local machine and doesn't need a network connection nor any special set up. Just run it and that is all. SMTP, POP, and webmail are provided, which means you can send email with any email client and recieve email with just about every email client.

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

This email appliance is to help anyone to setup and maintain their full functional email server with much less effort by using virtual appliance technology.

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.

Fast-Pitch is a Linux web/mail server configuration tool. Automates download and install of free software, including Apache, ApacheToolBox, PHP, MySQL, phpMyAdmin, qmail, SquirrelMail, Courier-IMAP, ProFTPD, tinydns, osCommerce, MRTG, and more.

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)

Foedus Mail is a mail server written in Java. The goal is to produce stable IMAP, SMTP, and POP3 support and then to build upon and refine it.

WAP Email Server designed to take full advantage of the WAP protocol for reading email stored in a POP server from mobile devices in a fast and easy way.