Open Source Email Software

The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.8.1 build 24261. A linux(ubuntu 20.04 LTS) and a freeBSD 12.2 based ready to run OVA of ASSP V2 are also available for download. NOTICE: V1 development has been stopped at the end of 2014 (1.10.1 build 16060). Possibly there will be done some bugfixing in future. Please upgrade to V2, which is and will be actively maintained.

The bogofilter package implements a fast Bayesian spam filter as suggested by Paul Graham in "A Plan For Spam" <http://www.paulgraham.com/spam.html>. It is written in C. Supported platforms: Linux, FreeBSD, Solaris, OS X, HP-UX, AIX, RISC-OS, ...

Trojitá, a Qt IMAP e-mail client

Fast, intelligent, automatic spam detector using Paul Graham style Bayesian analysis of word counts in spam and non-spam emails. Filtering adapts to personal tastes automatically. No manual rule creation required. Intended for use with procmail, maild

OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers. OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native Exchange protocols and does not require any plugin installation in Outlook.

This is the port of the 386bsd vacation program to Linux. Vacation is the automatic mail answering program found on many Unix systems.

MultiMail is an offline mail packet reader for Unix and other systems. It currently supports the Blue Wave, QWK, OMEN, OPX and SOUP formats. It has a full screen, color user interface, built with the curses library.

MrPostman is an email gateway from local POP clients like Microsoft Outlook, Mozilla's mail client etc. to different web mail services like Yahoo and Hotmail. It is being designed for extensibility so is easy to add more web mail services to it.

dk-milter consists of two parts: A milter-based application (dk-filter) which plugs in to Sendmail to provide DomainKeys service, and a library (libdk) which can be used to build DomainKeys-compliant applications or MTAs. See the home page for details.

This package contains an Open Source plug-in, for use with Open Source or commercial sendmail MTAs, which implements and enforces the merged Caller-ID/SPF specification from the IETF MARID working group, currently dubbed "Sender-ID".

Qparser is a perl script that reads the output of a sendmail print queue and summarizes the data.

A web-based helpdesk ticketing system. It adopts a more effective ticket sorting/ranking method instead of the cumbersome "assign/completed". More: http://www.upoint.info/cgi

MailScanner is an email virus scanner, vulnerability protector and spam tagger. It is written in Perl for any Unix/Linux system. It supports the Postfix, Sendmail, Exim and ZMailer MTAs, and any combination of 17 different virus scanners.

Multiuser BBS/Internet Server Software for multiple platforms including Windows and Linux (legacy versions maintained for DOS and OS/2). Multithreaded modular C/C++ project that includes Telnet, FTP, and Mail servers and support for popular DOS doorgames.

Gross is a greylisting server. The features that make gross stand out from other greylisters are: - it's blazingly fast - it's amazingly resource efficient - it can be configured to query DNSBL databases, and enforce greylisting only for hosts that are found on those databases - it can block hosts that match multiple DNSBL's - it can be replicated and run parallel on two servers - It supports Sun Java System Messaging Server, Postfix, Sendmail and Exim.

A small, fast, configurable, console based pop3 mail checker

Sendmail Milter written in C to filter out spam.

BSpam is a perl implementation of Paul Graham's Bayesian Spam filtering system: A Plan For Spam.

This is a milter which scans emails with CRM114

CookMail is a powerful HTML email form CGI handler. It provides custom HTML output and email messages without the hassle of programming.

EGroupware has moved to Github, please find all our downloads there: https://github.com/EGroupware/egroupware/releases EGroupware is a multi-user, web-based groupware suite. Currently available modules include: email, addressbook, calendar, infolog (notes, to-do's, phone calls), content management, wiki, project management, tracker, timesheet, knowledge base, CalDAV/CardDAV

Gmail Notifier (restartless) is an open-source project that notify you about incoming emails from all your Google Mail accounts and labels. Features: 1. No requirement to enter your credentials. 2. Multiple account support 3. Multiple label support 4. Low bandwidth usage by using RSS technology 5. Mark as read, report span, trash or archive massages right from toolbar

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...

Jiania is power CMS,it can easy to use dynamic web content management system written in PHP5. jiania cms use adodb database libratry and Smarty template most important thant use power jpgraph and let's user can easy report anything you need.