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

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
    Start Free
  • 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:
    See Project
  • 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:
    See Project
  • 3
    QmailAdmin is a web interface for managing email addresses in virtual domains created by Vpopmail.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 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:
    See Project
  • Fully Managed MySQL, PostgreSQL, and SQL Server Icon
    Fully Managed MySQL, PostgreSQL, and SQL Server

    Automatic backups, patching, replication, and failover. Focus on your app, not your database.

    Cloud SQL handles your database ops end to end, so you can focus on your app.
    Try Free
  • 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:
    See Project
  • 6
    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:
    See Project
  • 7
    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:
    See Project
  • 8
    Java based mailserver providing a SMTP and POP3 protocoll implementation easy configurable, OS independent, extendible
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    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:
    See Project
  • Stop Storing Third-Party Tokens in Your Database Icon
    Stop Storing Third-Party Tokens in Your Database

    Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.

    Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
    Try Auth0 for Free
  • 10
    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:
    See Project
  • 11
    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:
    See Project
  • 12
    - 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:
    See Project
  • 13
    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:
    See Project
  • 14
    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:
    See Project
  • 15
    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:
    See Project
  • 16
    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:
    See Project
  • 17
    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
  • 18
    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:
    See Project
  • 19
    ProGatherer is an SMTP/POP3/IMAP E-Mail Server written in Java for Windows/Linux/MacOS.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    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:
    See Project
  • 21
    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:
    See Project
  • 22
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Graphical OS Kernel compiled with gcc 4.6.1 and nasm 2.09.08
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    RetrieveUserData is a plugin for the webmailer Squirrelmail. It retrieves a user's name and e-mail address from a configurable source like LDAP or MySQL. Your users don't need to configure Squirrelmail before writing their first mail.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    SIMpad by Siemens is a multimedia device with a screen resolution of 800x600x16 and is based on StrongARM processor SA1110 . The goal of this project is to provide a full Linux operating system with kernel and applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • Next
MongoDB Logo MongoDB