Open Source Server Operating Systems Mail Transfer Agents
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Mail Transfer Agents for Server Operating Systems
Browse free open source Mail Transfer Agents and projects for Server Operating Systems 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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Java program that creates an SMTP message and sends it off. It can be used to test SMTP functionality as well as security. This test SMTP at the application level. Requires Java 6.
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Simple BSmtp (Batch-Smtp) file processor with built-in MajorDomo, which can be used stand alone or as filter inside of an Smtp server (here e.g. in Weasel).
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CRM114 MILTER
CRM114 milter for sendmail
This is a milter which scans emails with CRM114 -
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An advanced qmail distribution based on qmail-sql which has SMTP, SMTPS, POP3, POP3S, IMAP, IMAPS services, a content scanner, spoofing protections, SMTP AUTH support, SMTP-after-POP/IMAP, PHP5 API, SPF support and much more...
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This is an email server written in C#. The server handles protocol, and a plugin architecture allows developers to create their own authentication/mail storage system, making this one of the most scalable email servers in the world. 2 plugins included.
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LIMeTool (pronounced like the fruit), is intended to be a simple and easy interface for managing accounts on an integrated Sendmail/LDAP/Cyrus IMAP installation. It's written in PHP and is realitively easy to configure and expand.
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Mailafar is a mail server designed for use in difficult communication environments providing a full set of Internet email protocols, web mail, web admin, dial-in and wireless LAN access control. It will run on Linux, FreeBSD and Windows.
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This program rapidly delivers bulletins by linking them to a single bulletin file. This saves heaps of disk space and is >100 times faster than regular delivery.
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Tools for a mail delivery service, including LMTP and POP3 servers and also getpwnam() emulation. Mail is stored in Maildir++ format (qmail plus courier extensions as soft quota and subfolders). User defined filter and virtual domains are supported.
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This is a Procmail Tips page: a collection of procmail recipes, instructions, howtos. The document also contains URL pointers to the procmail mailing list and sites that fight against Internet spam. PROJECT MOVED. See Github user jaalto.
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QSF MILTER
QSF milter for sendmail
This is a milter which scans emails with qsf (Quick Spam Filter) -
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A statistics utility to be used with qmail-scanner. It utilizes log entries generated by a patch to the qmail-scanner distribution to report spam and virus details. Often included in the qmailstats script from QmailRocks.org to send nightly stats emails.
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SPAMGrinderProxy
SPAM filtering proxy.
SPAMGrinderProxy is an SMTP and POP3 spam filter that runs as a service on Windows XP/2K. It works with any server or client, scanning each message for SPAM and flagging those that are. It can interoperate with SpamAssassin or use its own filters. -
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Syron Qmail is a qmail distribution based on netqmail and qmail-sql which tries to unify several public available patches to include almost all modern mail server features into qmail (SQL User Database, SMTP AUTH/TLS, high load adjustments and more).
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FreeYourEmail frees you of: proprietary APIs, HTML web pages, Mail clients, etc... It can incorporate multiple email accounts (GroupWise, Yahoo!, etc...) and provide a single download point. It can offer other information: Weather, Stock quotes, etc..
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