Open Source Windows Mail Transfer Agents
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Mail Transfer Agents for Windows
View 13 business solutionsBrowse free open source Mail Transfer Agents and projects for Windows below. Use the toggles on the left to filter open source Mail Transfer Agents by OS, license, language, programming language, and project status.
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E-MailRelay
SMTP email proxy and relay server
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. -
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mailsend
A program to send mail via SMTP from command line
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. -
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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.
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YPOPs! is an application which emulates a POP3/SMTP mail server and provides free POP3 and SMTP access to Yahoo! Mail. It does not depend on Yahoo's POP3/SMTP mail server. You can use a mail client of your choice!
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ZMail allows you to send email from anyone, to anyone. You can use ZMail to send fake or anonymous emails. Have fun!
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Pure Perl implementation of the Milter protocol used by Sendmail, including drop-in replacement for the Sendmail::Milter interface.
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OpenSmtp.net is an open source SMTP component written in C#. It does not rely on the .Net Framework System.Web.Mail classes. It also has a web service that allows the sending of email via HTTP.
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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
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Provide an Open Source Java Email Server that supports POP3/SMTP.
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Visual Synapse
Moved to GitHub → https://github.com/yoctobyte/visualsynapse
Moved to GitHub → https://github.com/yoctobyte/visualsynapse --- 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. -
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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
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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.
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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
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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.
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Pop3/Smtp connector for email server. Using scheduler / multithread download email from POP3 account or act as an SMTP gateway. Filtering via external tools.
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This is a module PostNuke for those who like to give emailforwarding to their users. It simply allows users to make/edit a .qmail-{pn_uid} file in a directory (configured by the siteadmin).
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smtptrapd is a multi-threaded daemon written in C that provides a RFC 2821 compliant SMTP service that always returns a 4xx soft error to the RCPT TO verb. It can be deployed as a secondary MX to reduce the amount of inbound spam.
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AUBGMS est un notificateur de Gmail pour Méditel lors de la réception des nouveaux messages sur Gmail
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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.
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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+.
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Anti-Bot Form Mailer is a PHP script that helps webmasters reducing spam received via their contact or support form.
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A SMTP-Proxy that allows authenticated SMTP sessions to traverse, while stopping SMTP sessions from internet worms and SPAM bots. It can also be used transparently so clients need no additional settings, just auth. to their freemail of choice.