Open Source PHP Email Software

MailCleaner Open Source Edition is now discontinued but will continue under the spamtagger project https://github.com/SpamTagger [antispam] MailCleaner is an anti-spam / anti-virus filter SMTP gateway with user and admin web interfaces, quarantine, multi-domains, multi-templates, multi-languages. Using Bayes, RBLs, Spamassassin, MailScanner, ClamAV. Based on Debian. Enterprise ready. MailCleaner is an anti spam gateway installed between your mail infrastructure and the Internet. It includes a complete GNU/Linux OS and a graphical web interface for user and administrative access. It comes in the form of virtual machine templates.. - fully compatible with any SMTP mail server (Exchange, Zimbra, O365,...)

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

An advanced qmail distribution based on qmail-sql which has SMTP, SMTPS, POP3, POP3S, IMAP, IMAPS services, a content scanner, spoofing protections, SMTP AUTH support, SMTP-after-POP/IMAP, PHP5 API, SPF support and much more...

MailRefinery is a tiny Linux distribution which will turn a machine into a complete mail server including Spam Assassin, GPL Virus filtering, POP, SPOP, IMAP, IMP, Fetchmail and a complete PHP based web interface to control it all.

The PigeonAir Project aims at releasing an Open and Free GPL solution to easily build up clustered, scalable and modular email services, targetted to satisfy all ISP needs.

Quick Mail Project is Mail Server with Web mail. The project is independed platform support designed Using Java ,C, PHP ,MySQL database . Its support RFC SMTP protocol , RFC Internet Message, Multi domains, forward, block, spam bulk and a lot more.

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

UnityCA is a Certificate Authority "front end" based on the Community-Oriented CA (COCA) model, which was primarily developed for non-profit "free CAs." Organizational and end-user interfaces provide trusted web management of the installed CA (eg ElyCA).

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

This is a set of programs that allows you to create your own WebMail with sendmail & procmail & imapd & webmail with dynamic sql users and mailbox limitations. You can control your users through web, view statistic, and other.

mx-LDAP-Suite mx-LDAP-vacation: auto responses mail on vacation and reads the message from LDAP. mx-LDAP-admin:Is a PHP based tool. It provides administration of LDAP-Directories (Add, modify and delete user-accounts,groups,aliases, samba-workstat

An server control panel like cpanel, but free for use and platform independent.

openCP is a fork of vhcs. Short term goals are: feature freeze, bug fix's and a more open developement cycle. Long term aims are: to be a scalable, distributed system to manage components of a HOSTING environment from a central management server.

an open source email archiving application

CGI program for Third Party Relay Checking or Open Relay Checking. Localization support of output messages potentially. Developped under FreeBSD 4.x and some *BSD specific functions are used.