Open Source Windows Mail Transfer Agents

E-MailRelay is a simple SMTP proxy and relay MTA, written in C++, for Linux and Windows. As a proxy all messages can be passed through a user-defined program, such as a spam-filter, which can drop, readdress, or edit messages as they pass through.

mailsend is a simple command line program to send mail via SMTP protocol. It can send a piece of alert mail from a program in a networked Windows machine. It's feature-filled, cross-platform, free and open source, and does not use any config file.

hMailServer is a SMTP/POP3/IMAP server for Windows. Data is stored in MySQL/MSSQL database and is easily accessed using the COM library. Project info, trackers and downloads has moved to www.hmailserver.com.

ZMail allows you to send email from anyone, to anyone. You can use ZMail to send fake or anonymous emails. Have fun!

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

Provide an Open Source Java Email Server that supports POP3/SMTP.

jwSMTP, Send email programmatically (C++ code/lib). Linux, BSD, Windows etc. Attachments, Multiple recipients, Cc/Bcc recipients supported. MX lookup or send to an SMTP server direct. LOGIN and PLAIN authentication now supported. Html or plain text forma

Since later versions of Windows (e.g. Windows 7) do not include the SMTP store-and-forward client, this application project creates a Windows service to offer similar services

GreenMail is an intuitive and easy-to-use test suite of email servers for testing purposes. Supports SMTP, POP3, IMAP with SSL socket support, and configurable user accounts and credentials. All in 100% Java. WE'VE MOVED TO GIT HUB: https://github.com/greenmail-mail-test/greenmail

The OpenPEC project is a collaborative effort to develop an Open Source Certified E-Mail System (in italian: Posta Elettronica Certificata or PEC) as requided by the Italian law. See the DigitPA (CNIPA) site for details (http://www.cnipa.gov.it)

This anonymous emailer script written in PHP is a free, opensource project designed to send EMails from anyone to anyone, with additional details such as Reply-To ,an anti-spam CAPTCHA and a WYSIWYG.

Go Gmailer is a java based desktop app to send emails.It is developed for people having slow internet connection.It is real simple and quick to send emails from this app. N.B.: It is recommended to create an app password for this app and choose remember me option to login after entering the app password so that you don't have to remember the app password for your G-mail account separately.This is JAVA based app so no doubt of security! If you have any issues with app then feel free to email us at- help.gomailer@gmail.com Like us at Facebook - www.facebook.com/gmailers

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.

GSR is a program to relay local SMTP traffic through a user’s GMail account. If you are behind an ISP that no longer allows SMTP traffic, GSR will allow you to relay your servers SMTP traffic through your GMail account for remote deliver.

Connect allows a LAN with Pegasus (www.pmail.com) users to connect to the Internet and download an entire domain of emails and then distribute them to appropriate users. It also includes a list server.

IntraMail is a e-mail server, supporting POP3 and smtp, for internal - external use in your network. This program can download messages from multiple (external) accounts and with filters divided over your local mailboxes.

JMultiSend is a simple and fast solution to send mass emails (Bulk E-mail); it only needs to load the list of addresses, the message (HTML or TXT), the data and then send. It is possible also to manage mailing lists subscribtions simply by emails, to send personalized messages with the user name and to schedule delays up to 24h (86400 secs); all this also from command-line. Since it is developed in Java it is a cross-platform application and does not need installation but needs only the Java Virtual Machine (version 6 or higher) that, in the case, is very easy to download and install.

An SMTPd server written in PHP, with user and spool storage in MySQL/Any database

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.

The Secure Electronic Mail System will be a system for sending, receiving, and transporting over the internet of messages and documents in a manner that is secure, with complete and accurate identification of senders, receivers, and transport agents.

Jsmtpd : A small and modular smtp email server daemon, written in Java. Jsmtpd is heavily based on plugins, and supports : spam detection (Spamassassin, Jasen, RBL servers, BlackList), anti virus (Clam Antivirus), and many others filters.

A PHP based Mail Transport Agent with a DB backend for Virtual Domains/Users.

AUBGMS est un notificateur de Gmail pour Méditel lors de la réception des nouveaux messages sur Gmail

Aggilus is a true messaging server, with email, IRC, newsgroups, instant messaging, and much more. Do not apply to join, discuss in the forums, you may be invited. Programming must be done in Visual Basic, and all functionality must be in COM+.

Anti-Bot Form Mailer is a PHP script that helps webmasters reducing spam received via their contact or support form.