Open Source JavaScript Email Spam Filter Software

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.

Bunch of useful filters for AngularJS (with no external dependencies!). You can install angular-filter using 4 different methods. Include angular-filter.js (or angular-filter.min.js) in your index.html, after including Angular itself. Add 'angular.filter' to your main module's list of dependencies. If a string is provided, it will filter out duplicates using the provided expression.

Attachment Reminder is an Add-On (extension) for Mozilla Thunderbird that scans outgoing email for user-defined keywords (or just use the default list), and prompts you if it looks like you wanted to attach a file but didn't.

Mozilla Thunderbird plugin for intelligent sorting of mail. The plugin try sort mails when their arrive in right folder.

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.

FilterBadRecruiters is a Google Apps Script that processes new messages looking for unwanted email from known third party recruiters. When a match is found, a reply is sent informing the sender that the message is being reported as spam and will not be read. The script then logs matches to a spreadsheet and updates a pie chart displaying what percentage of these type of messages were sent from each domain.

Mail Commander is a multi-user mail-notify application.It supports multiple accounts per user, customizable alerts, built in mail client, support for other mail clients, virus scan(third party app.), auto-reply, multi-protocol and mail preview and more.

An extension for Mozilla Thunderbird which provides a graphical interface for date based message search.

Mozilla Thunderbird Barracuda Extension Barracuda Networks SPAM Filter (SpamAssassin) Extension.

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)

NOTICE: Keep in mind that POP3ye is alpha software and by definition it is a long way from finished. POP3ye is a fully featured web-based e-mail client written in Object Oriented PHP 5. It ony supports the POP3 protocol.

ThunderRetract implements client-side eMail retraction into Thunderbird. This is done showing messages differences in original and retracted one. Support: thunderretract@gmail.com

A Mozilla Thunderbird Add-on for managing remote sieve scripts. It's a JavaScript based implementation of the ManageSieve Protocol (RFC 5804).

mx-LDAP-Suite mx-LDAP-vacation: auto responses mail on vacation and reads the message from LDAP. mx-LDAP-admin:Is a PHP based tool. It provides administration of LDAP-Directories (Add, modify and delete user-accounts,groups,aliases, samba-workstat