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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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    MongoDB Atlas runs apps anywhere

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    Easy-to-use online form builder for every business.

    Create online forms and publish them. Get an email for each response. Collect data.

    Easy-to-use online form builder for every business. Create online forms and publish them. Get an email for each response. Collect data. Design professional looking forms with JotForm Online Form Builder. Customize with advanced styling options to match your branding. Speed up and simplify your daily work by automating complex tasks with JotForm’s industry leading features. Securely and easily sell products. Collect subscription fees and donations. Being away from your computer shouldn’t stop you from getting the information you need. No matter where you work, JotForm Mobile Forms lets you collect data offline with powerful forms you can manage from your phone or tablet. Get the full power of JotForm at your fingertips. JotForm PDF Editor automatically turns collected form responses into professional, secure PDF documents that you can share with colleagues and customers. Easily generate custom PDF files online!
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  • 1

    HERMES Mail

    The cult-favourite eMail client formerly known as Qualcomm Eudora

    eMail traffic is on the rise. With over 100 man-years of development time behind it and a clean, intuitive interface that makes handling messages a breeze, Hermes Messenger (formerly known as QUALCOMM Eudora) is more than a way to send and receive mail: it's a powerful management tool with features to increase your productivity and enhance your communications. It is the best eMail program for people who get lots of it. If you're not yet one of them, you soon will be. Take control of your eMail before it takes control of you! Hermes provides industrial-strength communication, free of ads and free of cost.
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    Downloads: 27 This Week
    Last Update:
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  • 2
    Free java email smtp pop3 implementation, primarily for use as a development tool
    Downloads: 13 This Week
    Last Update:
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  • 3
    This is an open source Email client for Borland Delphi with source code. It uses Indy controls as well as PBears HTML Viewer Component and BSALA EmbeddedWB (updated versions for Delphi 2009 are here). It is IMAP, POP3, MAPI and SMTP compatible.
    Downloads: 6 This Week
    Last Update:
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  • 4
    bmf is a self contained and extremely efficient Bayesian mail filter. See Paul Graham's article "A Plan for Spam" for background information. It aims to be faster, smaller, and more versatile than similar applications.
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    Downloads: 12 This Week
    Last Update:
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    The Apple Device Management and Security Platform

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  • 5
    Using the vCard format as the data storage structure, Rolo will keep track of your contacts and display them to you with a curses front end.
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    Downloads: 4 This Week
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  • 6
    a chat application designed using remote method invocation
    Downloads: 6 This Week
    Last Update:
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  • 7
    Aegis Implicit Mail (AIM)

    Aegis Implicit Mail (AIM)

    Send Mime and Smime Emails to Any Type of Mail Server

    Aegis Implicit Mail is a free and open source library which is designed to provide fast and developer friendly API to send emails using SMTP ports. Binaries are available in the form of NuGet package: https://www.nuget.org/packages/AIM Please check http://pki.tools/aim.html as well AIM Supports : * None Ssl Mails * Implicit Ssl Mails * Explicit Ssl Mails * Smtp Connection test * Detect Ssl type of mail server * Attachments for MIME and S/MIME message. * In-line attachment and separate file attachment * All content types and mimes * SMIME , Signed and Encrypted mails In an integrated way Sadly, Microsoft.Net.Mail Ssl Mails does not support Implicit Ssl Mail and it is still used by many servers, including port 465 of Gmail here AIM comes to make a readable and fast alternative to send your smtp mails. For unicode issues please refer to https://sourceforge.net/p/netimplicitssl/tickets/4/ . We really appriciate any help in testing of different encodings
    Downloads: 1 This Week
    Last Update:
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  • 8
    A Modular Communications Suite developed in Visual Basic .NET and Visual C# .NET 2005. NOTICE: THIS REQUIRES VISUAL STUDIO 2005 EXPRESS COMPONENTS AND THE .NET 2.0 FRAMEWORK
    Downloads: 4 This Week
    Last Update:
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  • 9
    The Address Book is a free, open source address management system, utilizing the combined power of PHP scripting and MySQL databases to provide a flexible, robust system allowing users to add a virtually unlimited number of addresses and other info.
    Downloads: 2 This Week
    Last Update:
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  • Apify is a full-stack web scraping and automation platform helping anyone get value from the web. Icon
    Apify is a full-stack web scraping and automation platform helping anyone get value from the web.

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  • 10
    Hail is a Hotmail client written in PHP. This client will give users some advanced abilities over their hotmail account.
    Downloads: 3 This Week
    Last Update:
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  • 11
    Welcome to the project page of the Open JMail Server - a scalable Java email server. Features POP, SMTP, IMAP, dynamic pluggable storage design, modular protocol handling, easy XML configuration and much more.
    Downloads: 3 This Week
    Last Update:
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  • 12
    Titanium Mail is an open source .NET implementation in the C# language of the SMTP and POP protocols, also part of the project are web mail components based in PHP with a dynamic backend. This project has in a sense been abandoned. If anyone is intereste
    Downloads: 3 This Week
    Last Update:
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  • 13
    bulk email sender

    bulk email sender

    Bulk email sender run as windows background service

    bulk email sender java (1) Import emails form Excel file (2) append more receiver's mails in the Excel file while the mailing program is still running. (3) simultaneously/ in parallel start as many number of mailer-programs on my system as I want to. (4) When mail is sent, the program should update Date and Time of sending of mail in another cell of the same Excel file (6) Program hidden from everywhere. you can stop it form Task Manager" from Services/process list.
    Downloads: 1 This Week
    Last Update:
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  • 14
    ** THIS PROJECT MOVED TO GITHUB ** libEtPan ! is a mail purpose library. It will be used for low-level mail handling : network protocols (IMAP/NNTP/POP3/SMTP over TCP/IP and SSL/TCP/IP, already implemented), local storage (mbox/MH/maildir), message /
    Downloads: 1 This Week
    Last Update:
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  • 15
    DeXter is a versatile Java Internet Communication Solution based on a Plugin Architecture. Plugin highlights: Messenger - currently supporting MSN, other will follow / CSBeagle - Half-life (Counter-Strike) online player finder
    Downloads: 1 This Week
    Last Update:
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  • 16
    ICQMail is ICQ->Email gateway daemon
    Downloads: 1 This Week
    Last Update:
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  • 17
    LDAP Users Admin is a Webmin module for those who use LDAP directories (like OpenLDAP) for user account information or as an e-mail address book. It'll take care of common tasks such as getting an unused UID, editting address book fields and the like.
    Downloads: 1 This Week
    Last Update:
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  • 18
    Mail Sniper is an extension for Mozilla Thunderbird that allows you to backtrack you emails and get information about the transmitting servers. You can also visualize the results on different ways.
    Downloads: 1 This Week
    Last Update:
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  • 19
    Check given IP/Host presence in 106 RBLs. Now, you don\'t have to check a lot www sites, just run this script in console.
    Downloads: 1 This Week
    Last Update:
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  • 20
    ECHO This batch file uses the command line capabilites of The Bat! and starts an eml-file export of all accounts complete with subfolders and embedded attachments. ECHO Tested with The Bat! 3.8 and 4.0 on Win XP.
    Downloads: 1 This Week
    Last Update:
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  • 21
    This is a Program code editor and code brower with built-in analysis for C/C++ programs.
    Downloads: 1 This Week
    Last Update:
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  • 22

    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: 1 This Week
    Last Update:
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  • 23
    AISK is an acronym for Artificial Intelligence Spam Killer. It is a server side filter that acts as a kind of PROXY and uses SMTP to communicate with MTA. Main decision mechanism is based on artificial neural network capable of finding patterns, learning
    Downloads: 0 This Week
    Last Update:
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  • 24
    AMSBOX is the software for manage postfix. This system has web interface (PHP) and interface for control postfix and cyrus imap (write on C and bash).
    Downloads: 0 This Week
    Last Update:
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  • 25
    ASMMS -- Anonymous SMTP Mail Message Sender ... is an simple mta, written in C, for sending mails through mail servers, which have no authentication (AUTH). It should work on nearly all POSIX systems, tested only with SunOS, Linux and HPUX.
    Downloads: 0 This Week
    Last Update:
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