Collaborative maillist filtering effort updated daily and provides filters for sendmail and spamassassin users. This project is aimed at ISPs and mail administrators. User supported and maintained. Will support other servers and filters soon.
Mail answering machine. This is Java-based extensible framework. It takes e-mail letters from e-mail mailbox, parses them, processes some business logic depending on the content of the received letter, and sends the result back to the letter sender.
An antivirus software for email server that filter mails with dangerous attachment. It works in concatenation with procmail (sw by van den Berg). Don't need a database of signature because just don't permit executable attachments.
An extension for Mozilla Thunderbird which provides a graphical interface for date based message search.
This version is no longer maintained here, please see www.firetrust.com for the latest versions MailWasher Server is a highly accurate server-side spam filtering package with a polished, well-integrated web interface and built-in quarantine management facilities. Fully supports Windows Server/Exchange Server, Linux and Solaris.
Adapted a procmail spam filter for use by maildrop (used by courier mail server). Any identified spam has a header added that marks it as spam and gives a reason. Also converts mime parts of content type text/html into text/plain in suspect e-mails.
Mailfilter to secure maildrops while fetch mails from a remote mail server and prevent mailloops, unwanted resend to external receipients and/or virus and spam.
Messagewall is a SMTP proxy, running typically in a changed root environment and forwards mails to your preferred MTA (qmail, sendmail, postfix or other).
Postprox is an SMTP proxy which runs a content filter on the DATA portion to determine whether to pass or bounce each message.
Web interface for Qmail-LDAP. Uses MySQL to add many more features.
libmilter/MySQL based mail filter for sendmail
OdeiaVir is a Free Software program designed to integrate virus scanning into an e-mail server. It currently only supports qmail as an MTA, although Sendmail support is in the works.
OpenBottle is a per user anti-spam email system based on a sender authenticated whitelist mechanism. The core of the system is written in Perl, with a web driven user interface in PHP.
OpenSMIP is an open source implementation of the Simple Mail Integrity Protocol (SMIP) designed by Douglas Graeme Brown. Written in C++, OpenSMIP is intended for use as a post-queue mail content filter.
OpenSN is an Open Source version of SpamNet, the difference between OpenSN and SpamNet is that OpenSN will be available to all types of email applications that run from your desktop, and also run on all OSes. And plugs into email apps to help stop spam.
OzoneFarm is a eCommunity-building project aimed at promoting open source computing and distribution and generation of open content. The goals and strategies for forming the community are being discussed in an open forum.
P3Scan is a fully transparent scanning proxy-server for email clients. It provides scanning of incoming/outgoing email messages for Virus''s, Worms, Trojans, Spam, and harmfull attachments. It can also parse messages for web-bugs.
PDFassassin is a module for Spamassassin which scans the content of PDF attachments against the spamassassin engine and appends the resulting spam score to the overall score of the email message.
Le nombre de spams et de virus circulant via les messageries est en constante augmentation. Au plus votre adresse e-mail est diffusée sur Internet et vous recevez ce genre de courrier indésirable. Par ailleurs, quand vous affichez des mails de ce type,
POPMail applies user-defined rules to messages in a mailbox in order to allow you to delete some emails before receiving them. For example, you can delete emails with a given From: (sender) header, or larger than a max size.
verry basic and simple mail filter daemon for Postfix
A milter (sendmail plugin with the ability to filter messages at the SMTP level) that lets each prospective recipient decide whether or not they want the message and rejects it if everyone agrees it's not wanted. Each user can examine the full message.
A simple, small-scale mail delivery agent (MDA) and SMTP relay written in Perl which allows filtering and modification of both incoming and outgoing messages using arbitrary, per-user or site-wide rules. Requires "Maildir"-style mail storage.
Philter is a mail filter written in Python to sort mail in a Qmail style Maildir on Linux. It is used in association with a mail fetching tool like getmail. A properties file is used to setup the basic configuration.