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Postfix Log Parser in Python is a log analysis tool written in python language to get statistic reports and detect anomalous behaviours on a mail server based on Postfix and Cyrus
MTA independent transparent Greylist proxy with very little dependencies. greyd runs as a front end to your existing SMTP server to reject as much spam as possible before it hit the real SMTP server.
OpenMMOd is a open-source event-driven MMORPG Server written in C++ with a YAML packet definition backend. It is MySQL database driven currently with future backend support to come in the future.
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xODMR is an ATRN client that let you use a mail backup service when your SMTP server don't support ODMR natively. It's an alternative to xatrn and fetchmail (but works with TLS too); runs on any platform supported by Python. Win32 binary also avail
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.
Ni!Mail is a webmail connecting to an IMAP server and using python/nevow/twisted to provide a clean and fast interface. It uses nevow livepage, a library that uses XMLHTTPRequest, to make it very dynamic.
Aggregate RSS/Atom feeds trough your email. With Newpipe you can read, organize and archive news feeds with your current mail client, without the need for a separate program.
IMAP client, written in Python, that moves messages according to predefined rules. Useful when server based rules are not available, by running the script periodically.
gavamail is a POP3/IMAP server implemented in JAVA for reading your gmail e-mail with your favorite mail client. Currently only POP3 is implemented but I hope to implement IMAP too. Libraries provided by the g4j and libgmail projects are used.
SpamTueur is a anti-spam, delete-on-server software, highly configurable, portable and performant. It is particularly useful for users who do not want to download dozens of junk mails to their local computers through their modem every day.
Easy, modular and flexible WAMP bundling Apache2/SSL, MySQL4, PHP4, Perl5.8/ASP, Python2.3, Tomcat5, FirebirdDB, FileZilla, Mail/News-Server, phpMyAdmin, Awstats, WordPress, etc. It also includes a web-GUI to control/manipulate all bundled services.
MailRefinery is a tiny Linux distribution which will turn a machine into a complete mail server including Spam Assassin, GPL Virus filtering, POP, SPOP, IMAP, IMP, Fetchmail and a complete PHP based web interface to control it all.
Working as a courier-mta frontend, QUICA can make a quick and friendly to use mail server. Tasks like creating accounts and forwards can be done easily. QUICA manages domains separately , allowing the delegation of each domain to different people.
Quotient is multi-protocol (SMTP, POP, IMAP, SIP, HTTP, Q2Q) server that helps with all your online conversations be they over email, IRC, IM, mailing lists or voice over IP. It is written in Python on the Twisted framework and uses Lupy and SpamBayes.
Active Spam Killer for Windows (AfW) is a challenge/response spam filtering system for the Windows platform. Based on ASK for Linux by Marco Paganini, this project adds a POP3 client/server wrapper and web administration, as well as Windows compatibility
FrozenPop is a simple and easy to use POP3/SMTP server. Geared to accommodate multiple domains without having to create individual system accounts, FrozenPop installs < 5 mins. With MySQL authentication, creating users is simple.
ISOS is an e-mail and web server. It is designed for ease of use and provides a quick way to e-presence for small businesses and organizations who lack the experience to benefit from high performance, open source software such as Sendmail, Courier Mail,
Amphora Light is a Web-based groupware server written in Python and Zope. It offers basic office functionality: document sharing, calendars, tasks, contacts, internet databases in the context of a hierarchical organization and flexible access rights.
This is a webmail server intended for personal use (though of course, commercial use is not forbidden, it's just not my focus with this project) using secure http. Since it has its own https server built in, it does not require complex configuration.