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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.
Sendmail-Jilter is an Open Source implementation of the Sendmail milter protocol, for implementing milters in Java that can interface with the Sendmail MTA.
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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
This is the effort to make a simple small business server that provides basic infrastructure with spam and virus protection, service usage accounting and reporting, easy provisioning and password management, message board, addressbook and other.
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.
TextMine is for the Perl hacker who is grappling with the problems of managing unstructured text from various sources. You can use these text mining tools to search the Web, index text, extract entities, categorize your e-mail, and summarize documents.
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
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.
Fast, intelligent, automatic spam detector using Paul Graham style Bayesian analysis of word counts in spam and non-spam emails. Filtering adapts to personal tastes automatically. No manual rule creation required. Intended for use with procmail, maild
An open-source mail filter program with web-based tuning tool to deliver only wanted mail by using block/buddy lists and naive Bayesian statistical analysis. Gets POP3 mail. Uses php, sh, sendmail, html and javascript. Includes elaborate User Guide.
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