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jumfi will provide a java based uniform mail filter interface using C, JNI and Java. It will allow mail filters build in java to be applied to multiple mail servers of similar and different design.
Auto Whitelist automates the detection of safe/valid email addresses by plugging into Postfix and monitoring sent mail and building a whitelist. It then automatically tags all incoming email with information regarding the senders email address status.
javascript to convert thunderbird/seamonkey filters to sieve rules
Web form that converts pasted rule set from thunderbird/seamonkey msgFilterRules.dat filter file into sieve rules suitable for uploading to an imap mail server and compatible with the sieve rule editor plugin for roundcube 'sieverules' (http://www.roundcubeforum.net/7-third-party-contributions/46-api-based-plugins/4878-sieverules-plugin.html)
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Enterprise-grade ITSM, for every business
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Sendmail-Jilter is an Open Source implementation of the Sendmail milter protocol, for implementing milters in Java that can interface with the Sendmail MTA.
Program to enable simple anonymous ballots to be taken through free gmail addresses.
Lets the user apply restrictions on sender domain, subject and in-line options
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.
jASEN is a pure java Anti Spam ENgine combining bayesian-like scanning with intelligent email inspection and classification. jASEN is best suited to developers wishing to integrate anti-spam services into an existing server based java email application.
Fast Greylist daemon as a Postfix Access Policy Delegation Service with a variable extendable rule set. The rules are used for whitelisting, blacklisting and greylisting based on information from the SMTP dialog on a "per delivery attempt" basis.
LightAttachment is a Postfix content filter designed to extract large attachment files from mails, saved them to a data server and replace them by a link into the mails. Its activity is monitored by a complete statistical reporting system.
Camel's Eye is a powerful POP3 email filter. It supports DNS-based Blackhole Lists (DNSBL/RBL), Razor, and rules that search header or body. Features include regular expressions, scoring, deletion on server, automatic whitelisting through an SMTP proxy.
Spamato is a spam filter system that combines several anti-spam techniques, from which thousands of users benefit. It is available as an add-on for Thunderbird and Outlook, and as a stand-alone proxy for other email clients. IMAP and POP are supported.
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.
Spamlain is an aggressive and offensive solution to illegal unsolicited bulk email (spam) by exercising our right to complain. Using an anonymous p2p network, users will receive automated complaint scripts to complain directly to the source of spam.
Classifier4J is a java library that provides an API for automatic classification of text. The default (and only current) implementation of this API is a Bayesian classifier.
This library can be used for multiple purposes - as a spam filter or a blog cl
This is an open-source implementation of Elegitimizer.com's "elegitisigner" specification. An easily implemented validation mechanism to help eliminate illegitimate e-mail or Spam. Elegitisigner features a well documented web of trust model.
SPAM-Buster is a Java application for filtering SPAM based on statistical algorithms (currently Bayesian). The platform independant application can be used as graphical end-user client and additional service for mail server.