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

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  • 1
    Scrollout F1

    Scrollout F1

    An easy-to-use anti-spam email gateway

    • Designed for Linux and Windows email system administrators, Scrollout F1 is an easy to use, already adjusted email firewall (gateway) offering free anti-spam and anti-virus protection aiming to secure existing email servers, old or new, such as Microsoft Exchange, Lotus Domino, Postfix, Exim, Sendmail, Qmail and others. • Built-in multilayer security levels make configuration effort equal to a car radio. • It combines simplicity with effective protection using powerful open source with additional set of rules & filters. • Available as 64bit: - ISO image (Internet connection required during installation) - install from scratch (Internet connection required during installation). • Minimum Requirements (for 5,000 messages/day): 1 GB of RAM 30 GB storage drive 1 Processor x86/AMD64 1 Ethernet x 1 IPv4 address UDP ports: 53 123 4500 6277 24441 TCP ports: 25 80 443 2703
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    Downloads: 101,957 This Week
    Last Update:
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  • 2
    MailArchiva is a powerful, full featured email archiving (email archiver) and compliance solution for mail systems such as Microsoft Exchange. It stores all incoming, outgoing and internal emails for long term storage. A web based user interface is avail
    Downloads: 5 This Week
    Last Update:
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  • 3
    ZMail allows you to send email from anyone, to anyone. You can use ZMail to send fake or anonymous emails. Have fun!
    Downloads: 12 This Week
    Last Update:
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  • 4
    Mbox2eml splits mbox mailboxes into single eml files. It is highly configurable and written in C++ to gain maximum performance using a minimum of RAM. It uses the boost-lib to provide maximum portability. Binaries for Win and Linux are available.
    Downloads: 7 This Week
    Last Update:
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  • 5
    Kalkun
    Kalkun is an open source web-based SMS (Short Message Service) manager. It uses Gammu SMSD (part of gammu family) as SMS gateway engine to deliver and retrieve messages from your phone/modem. Documentation is on the wiki: https://github.com/kalkun-sms/Kalkun/wiki Development and source code can be found on github: https://github.com/kalkun-sms/Kalkun/
    Downloads: 4 This Week
    Last Update:
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  • 6
    Visual Synapse are component wrappers around the Synapse tcp/ip libraries. It wraps a few common internet protocols, like HTTP, UDP, DNS, ICMP, TCP and SMTP to multi-threaded components that can be used with Delphi, Kylix, Freepascal and C++ Builder.
    Downloads: 8 This Week
    Last Update:
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  • 7
    Hastymail
    Hastymail is a fast, secure, rfc-compliant, cross-platform IMAP/SMTP client application written in PHP providing a clean web interface for sending and reading E-mail. This version of Hastymail is no longer being developed. We are now working on a new version, Hastymail 3, AKA, "Cypht". http://cypht.org
    Downloads: 2 This Week
    Last Update:
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  • 8
    An IMAP E-mail client for X-Windows written with GTK. Supports IMAP with and without SSL.
    Downloads: 3 This Week
    Last Update:
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  • 9
    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.
    Downloads: 5 This Week
    Last Update:
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  • 10
    tellmatic - the newslettermachine
    tellmatic is a php and mysql based newsletter script to create, manage and send personalized newsletters or mass mails. uses wysiwyg and has a form editor. adresses and newsletter are stored in unlimited groups. handle bouncemails and failed adresses
    Downloads: 2 This Week
    Last Update:
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  • 11
    Classifier4J is a java library that provides an API for automatic classification of text. The default (and only current) implementation of this API is a Bayesian classifier. This library can be used for multiple purposes - as a spam filter or a blog cl
    Downloads: 4 This Week
    Last Update:
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  • 12
    libgmailer for PHP consists of 2 parts: {GMailer (libgmailer)} a PHP class/library for you to access GMail with PHP with ease. {gmail-lite} a plain HTML only interface of GMail, accessible by any browser on Earth.
    Downloads: 4 This Week
    Last Update:
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  • 13
    Copfilter
    Copfilter is a easy to install addon for the opensource firewall IPCop. It filters POP3, SMTP, HTTP, and FTP traffic for viruses and spam using various open source programs.
    Downloads: 1 This Week
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  • 14
    Koolwired.Imap is a fully managed .NET IMAP client library written in C#.
    Downloads: 1 This Week
    Last Update:
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  • 15
    CRM114 is a Controllable Regex Mutilator and filter. It provides arbitrary stream filtering for antispam, adkiller proxies, syslog monitoring, etc. CRM114 has a structured, easily understood way to express regex-based filters, and a learn-by-example mod
    Downloads: 3 This Week
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  • 16
    An extensible .NET-based API for accessing Google's Gmail service. The model is very modular, as it follows common OOP design patterns. A small reference application is included that acts as a system tray mail notifier and address book importer.
    Downloads: 3 This Week
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  • 17
    NMail provides an SMTP client & server along with an IMAP4 server; all are written in C#.
    Downloads: 3 This Week
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  • 18
    Referee Manager

    Referee Manager

    Management of table tennis umpires, referees, and their assigments.

    Referee Manager is an offline, stand-alone program for managing table tennis umpires, referees, and their assigments. Development takes place in gitlab, releases are released as git tags in gitlab or files here in sourceforge. https://gitlab.com/open-tt/refereemanager/
    Downloads: 3 This Week
    Last Update:
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  • 19
    Synching Thunder is designed as an application that synchronizes Mozilla Thunderbird mail between different mailboxes. A typical usage example would be keeping mail on a laptop in synch with mail on a desktop PC.
    Downloads: 3 This Week
    Last Update:
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  • 20

    X-Itools: Email/Web Log Search Engine

    Strong Email & Apache Log Analysis with Active Security Features

    X-Itools: eXtended Internet Tools. Suite of tools composed of several collaboration modules. Old and initial project born in 1999, 1st published in 2001 on Sourceforge. X-Itools E-mail management module (log analysis) initiated in 2004 with Web 1.0 technologies (private SVN server). X-Itools development restarted since 2011, on the basis of a unique module: E-mail management module (log analysis). Now based on web 2.0 technologies (ExtJS 4.1) and devel restarted because of a particular interest given to it by a world wide Organization (United Nations). Module renamed "X-Itools ELSE", for "X-Itools E-mail Log Search Engine". Some features: Log analysis and correlation of Postfix and Exchange servers, statistics, policy manager, in-deep analysis, automated network graphs for e-mail tracing, CSV export... The Swiss knife of Messaging Admins. In 2015, X-Itools ELSE is no more limited to E-mail logs: Apache logs are also processed and related stats and dashboards will be there!
    Downloads: 3 This Week
    Last Update:
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  • 21

    csv2vcard

    Translate CSV containing address information to vcard

    Csv2vcard is a program for converting *.csv (comma seperated values as e.g. exported by M$ Outlook) files containing contact information to the industry standard vcard format which can be imported by most mailers and PIM software (optimized for evolution)
    Downloads: 3 This Week
    Last Update:
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  • 22
    *** This project has moved to http://vuser.googlecode.com/ *** A utility for managing various services or running tasks remotely. This script is suitable for use in other scripts or via its SOAP daemon.
    Downloads: 3 This Week
    Last Update:
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  • 23
    AjaxMail is a Web-based e-mail system enhanced with Ajax interactivity.
    Downloads: 2 This Week
    Last Update:
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  • 24
    JAM Circle
    JAM Circle is a Kanban Application Platform on Eclipse RCP.Kanban is similar to sticky note.you can use it for GTD,Planning,Pull System using Kanban.It supports to send Card using XMPP and to define it\'s behavior using Script(JRuby and ECMAScript).
    Downloads: 2 This Week
    Last Update:
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  • 25
    Mailsync is a tool to keep a collection of mailboxes synchronized. The mailboxes may be on the local filesystem or on a IMAP server.
    Downloads: 2 This Week
    Last Update:
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