Browse free open source Email software and projects 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
    PostfixAdmin
    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
    Downloads: 44 This Week
    Last Update:
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  • 2
    MailCleaner

    MailCleaner

    Anti Spam SMTP Gateway

    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,...)
    Downloads: 7 This Week
    Last Update:
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  • 3
    QmailAdmin is a web interface for managing email addresses in virtual domains created by Vpopmail.
    Downloads: 4 This Week
    Last Update:
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  • 4
    GoldBug - Encrypted Communications

    GoldBug - Encrypted Communications

    Chat Messenger. E-Mail-Client. Websearch. Filetransfer.

    GoldBug is a decentralized & secure communication suite that offers an integrated e-mail client, an instant messenger & a file transfer. Also included is an URL-RSS-DB & a p2p web search. Current vers. w/ McEliece Algorithm. GoldBug has been 2013 - 2023 ten years just another Graphical User Interface of the Spot-On Encryption Suite. Main GUI features: Minimal & colorful Interface with Tabs in the East. Microsoft & Qt MinGW deprecated Win32 & for Compiling: ● https://sourceforge.net/p/goldbug/wiki/compiling As Spot-On implemented the minimal GB-concept & Nuvola Icons, GoldBug has now been fully integrated into Spot-On Win64: Just choose Tabs at East & Mini-View in Options - w/ Nuvola Icons of course! Voilá! & Many Thanks, Pro-Files can be found archived at ● current source: https://github.com/textbrowser/spot-on ● EN Manual: https://www.amazon.com/dp/3749435065 ● DE: https://compendio.github.io/goldbug-manual-de/ ● Study: https://www.amazon.com/asin/dp/3750408971
    Downloads: 9 This Week
    Last Update:
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  • 5
    P3Scan is a fully transparent scanning proxy-server for email clients. It provides scanning of incoming/outgoing email messages for Virus''s, Worms, Trojans, Spam, and harmfull attachments. It can also parse messages for web-bugs.
    Downloads: 6 This Week
    Last Update:
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  • 6
    Thunderbird-Tray is a system tray launcher tool for Mozilla Thunderbird, the popular e-mail client. You can use TB-Tray to hide Thunderbird to the tray while you don't need it. When you click the tray icon, TB-Tray will restore Thunderbird.
    Downloads: 2 This Week
    Last Update:
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  • 7
    Easy, modular and flexible WAMP bundling Apache2/SSL, MySQL4, PHP4, Perl5.8/ASP, Python2.3, Tomcat5, FirebirdDB, FileZilla, Mail/News-Server, phpMyAdmin, Awstats, WordPress, etc. It also includes a web-GUI to control/manipulate all bundled services.
    Downloads: 4 This Week
    Last Update:
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  • 8
    vmm - a virtual mail manager

    vmm - a virtual mail manager

    command line tool to manage email (alias-)domains/accounts/aliases …

    vmm is the easy to use and configurable command line tool for administrators and postmasters, to manage domains, alias-domains, accounts and relocated mail users. It allows the fast and easy management of mail servers. vmm is written in Python. It's designed for installations using Dovecot and Postfix with a PostgreSQL backend.
    Downloads: 2 This Week
    Last Update:
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  • 9
    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.
    Downloads: 2 This Week
    Last Update:
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  • 10
    Java based mailserver providing a SMTP and POP3 protocoll implementation easy configurable, OS independent, extendible
    Downloads: 1 This Week
    Last Update:
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  • 11
    RainLoop Webmail (PHP)

    RainLoop Webmail (PHP)

    Simple, modern & fast web-based email client

    Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.
    Downloads: 1 This Week
    Last Update:
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  • 12
    Crème Fraiche

    Crème Fraiche

    eml2pdf converter

    I DO NO LONGER CLAIM PLATFORM-INDEPEDENCE FOR Crème Fraiche. THIS PROGRAM RUNS ON LINUX. Crème Fraiche transforms EML-files, as they are created by email-clients, to PDF. PSE see the rubygems.org site for updates or use the gem-tool right away to install Crème Fraiche: ~$ gem install cremefraiche
    Downloads: 0 This Week
    Last Update:
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  • 13
    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.
    Downloads: 0 This Week
    Last Update:
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  • 14
    The Exim Ldap Mail Administrator is a webfrontend for your mailserver environment running EXIM with LDAP. It supports multiple virtual maildomains including users and aliases. Filter and vacation settings will be available soon.
    Downloads: 0 This Week
    Last Update:
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  • 15
    - development stopped! - GATMAN - The first known combination of a network/user administration and a groupware solution - Latest technologies such as JAVA,XML,JSP and strong encryption are used - Modular design, high scalability - Accessible by client an
    Downloads: 0 This Week
    Last Update:
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  • 16
    An IMAP-Management web interface for use with courier imap , procmail and any mta that delivers mail through procmail.
    Downloads: 0 This Week
    Last Update:
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  • 17
    SPAM is a big problem for many small and medium-sized enterprises, because they can’t afford a complex mail server application to filter their mail traffic. This is why we tackle this problem and developed a turnkey Mail Appliance.
    Downloads: 0 This Week
    Last Update:
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  • 18
    Mailfilter to secure maildrops while fetch mails from a remote mail server and prevent mailloops, unwanted resend to external receipients and/or virus and spam.
    Downloads: 0 This Week
    Last Update:
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  • 19
    Mailster is a project aimed at testing software mail capabilities. It provides a mail server container to test emails sent by your apps without rewriting your application code.
    Downloads: 0 This Week
    Last Update:
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  • 20
    NokSync is a Thunderbird extension, which synchronizes contacts between Mozilla Thunderbird and most NOKIA phones. NokSync will compare Thunderbird address books with contacts in a NOKIA phone, and synchronize them under user control.
    Downloads: 0 This Week
    Last Update:
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  • 21
    OpenEMM e-mail & marketing automation

    OpenEMM e-mail & marketing automation

    software for email automation (newsletters, transaction mails, etc.)

    This is an archive for old versions of OpenEMM. You will find the latest version of OpenEMM here: https://wiki.openemm.org OpenEMM is a browser-based enterprise application for email automation like info and marketing newsletters, transaction mails or multi-stage email campaigns. OpenEMM offers tons of features for professional users, among them: a great user interface, template-based HTML mailings, automatic bounce management, mail opening and link tracking, lots of graphical realtime statistics, a content management system, self-defined and behaviour-based target groups, a multi-queue mail backend for maximum sending performance, a time-driven automated data import and export feature, an extensive set of webservices, a plugin interface to easily extend the core functionality, a scripting feature to enhance the functionality of OpenEMM with triggerable customized actions and an audit-proof user activity log.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    PHPMyWebHosting (PMWH) will provide a gui viewed in a browser, which lets you adminstrate postfix-sql-based (mySQL, PostGre) emailaddresses, Apache Virtual Hosts, DNS-zones etc. When completed, PHPMyWebHosting will provide a complete webhosting-Interface
    Downloads: 0 This Week
    Last Update:
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  • 23
    ProGatherer is an SMTP/POP3/IMAP E-Mail Server written in Java for Windows/Linux/MacOS.
    Downloads: 0 This Week
    Last Update:
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  • 24
    Reimplementation of mailfilter (http://mailfilter.sourceforge.net/) in Python. It filters email directly on a POP3 mail server before it is downloaded by another program. This program is aimed to run on all platforms the Python programing language suppor
    Downloads: 0 This Week
    Last Update:
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  • 25
    Qmailalizer analises the qmail-send logs and generates html files with the results. Its alike webalizer but only for qmail.
    Downloads: 0 This Week
    Last Update:
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