Open Source Java Email Software for Windows

Untangle is a Linux-based network gateway with pluggable modules for network applications like spam blocking, web filtering, anti-virus, anti-spyware, intrusion prevention, bandwidth control, captive portal, VPN, firewall, and more. Visit http://untangle.com

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

Penny Post is a system to combat spam emails by making the sender "pay for email" by spending a few seconds of computing time. Outgoing mail is marked with postage stamps that convince the receiver that the sender is genuine.

DKIM for JavaMail is a small JAR that can be easily implemented in existing Java projects using JavaMail for sending DKIM signed emails.

Codegroup is a Java application that will allow one to convert binary (or text) computer files in to 5 letter codegroups for transmission over email, landline telephones, radioteletype or Morse Code. Codegroup has internal error correction & limited cryptography capabilities. Codegroup : ZZZZZ YBPIL AIAIG FMOPP CPAAA DGNGP GPGPA ADNJN ELJKO ELIMO GEOHF KIFGP IFBCB PKCPI YJMHE PHBHP PPOBH NCOHD AKLLL AGHFP DEGEF LKELC EAIJI ABAGP AHPPO IHHPH OHPDF YNFPB ALEPO KMPKP Once this program has a graphical user interface, an Enigma like subsystem must be devised for data whitening. For content encryption, the use of Java's facilities is being considered as a long term option. This project's initial sourcecode is related to : http://www.fourmilab.ch/codegroup/ http://winmorse.com/ https://bitbucket.org/bgneal/cpp-enigma http://www.whence.com/minimodem/ For the User Interface http://www.oracle.com/technetwork/java/javafx/tools/

Notifies users in the domain of an impending password expiration

A.I. security app. Development ceased.

AmavisAdmin is a tool to maintain SPAMs, Viruses and blocked mails written to an SQL database by Amavisd-new. Mails can be removed automatically or manually, or they can be released to be send to the recipients.

Cryptix OpenPGP is a library which implements the OpenPGP standard (RFC 2440) in Java.

Originally a software partnership between my best friend and myself, Diverse Developments seeks to write "useful stuff", of a very diverse nature... Current projects include a file encoder, and a double-entry accounts package.

Freemail enables secure, anonymous, two-party communication over Freenet. The use of flexible channel initiation protocols and secure message transport allows allows cultivation of anonymous identities with reliable reputations.

IDTrans is developing b2b technologies. The primary aspects of the project are secure transmission libraries, a key server, and a application to demonstrate the use of the libraries.

A standard API for accessing OpenPGP and S/MIME email in JavaMail.

Konfidi is a trust framework that uses topical trust values from a social network of authenticated people. When you receive an email from someone you do not know, but he/she is in the network, Konfidi will compute an inferred trust value for you.

There are a lot of tools and plugins to fix security issues of the dignified mail system. The goal of this project is to redefine a system that takes the problems of our time into account. Be sure to visit this project on github: https://github.com/mv2project/mv2

Securing mails without involving user. Secures them as often as possible if it is possible. Shows security-state and process of mails and mail-partners.

This library extends SUN's JavaMail API by an PGPMime framework. It acts as a middleware layer between a cryptography provider like GnuPG or Cryptix OpenPGP Provider and JavaMail.

Peer Agent is a system that enable a group of users to carry out automated complex interaction via email services without relying on a trusted third party.

Multi-platform spam filtering proxy, designed to be used on the client side. Can be launched as faceless server or with a GUI.

An Experimental Platform for Secure Peer Services, QARE uses a decentralized trust model, a Public Key Infrastructure and provides single logon for multiple applications running across multiple systems. WAR files are used to add applications.

SWM (Secure WebMail) is an applet that provides confidentiallity and authentication in webmail applications using SHA/RSA algorithms. It can accompany virtually every webmail application, but comes with a plugin for squirrelmail and can run standalone.

SlimPGP is a pure Java implementation of OpenPGP protocol as defined in RFC2440. Current version implements most of the features in the OpenPGP.

Spamtools is a java package designed to propose a unified and expendable library for the implementation of experimental spam filters.

With Tiger Envelopes you can stop snoops from reading your email. Same email client. No extra steps. One click to install on Windows and Linux. Configures Outlook, Thunderbird, and KMail. Supports GPG, PGP, Bouncy Castle encryption.

aamFetch is a utility for fetching your anonymous esub nym messages from the alt.anonymous.messages newsgroup (or other newsgroups). It allows multiple encrypt-subjects to scan, multiple "destination files" to save messages to and random chaff downloads.