Spam Shield

Policy Daemon project is an anti-spam plugin for Postfix (written in C) that does Greylisting, Sender-(envelope, SASL or host / ip)-based throttling (on messages and/or volume per defined time unit), Recipient rate limiting, Spamtrap monitoring / blacklisting, HELO auto blacklisting and HELO...

The SpamBouncer is a spam filter that runs under Procmail, a Unix-based email processing program. The SpamBouncer filters and classifies your incoming email, moving spam to a separate folder or deleting it entirely. This allows you to find your real email without having to read through a flood...

force-preview plugin helps reduce comment spam on a Movable Type blog. When enabled, commenters are required to preview their comment before posting. (See README file for complete description and installation directions.) Here is whats good about this plug-in: - It is extremely effective...


Platforms: *nix

Bogofilter is a Bayesian spam filter. In its normal mode of operation, it takes an email message or other text on standard input, does a statistical check against lists of `good` and `bad` words, and returns a status code indicating whether or not the message is spam. Bogofilter is designed...


Platforms: *nix

smf-grey is a Sendmail milter that implements the GreyList Anti SPAM technology. This technology can significantly reduce the amount of SPAM and viruses going from zombie computers (infected Windows PC), which produce more than 80% of SPAM. GreyList Sendmail milter has a very effective...


Platforms: *nix

smf-zombie is a SendmailTM filter for SPAM and virus filtration from zombie PC. More than 80% of SPAM is going from the infected Windows computers (zombie PC). This filter aims to be lightweight, reliable, and simple rather than have a myriad of options. Its written in C and works under...


Platforms: *nix

Spamity is a Web interface for Postfix log files that makes it possible to view filtered spam messages, which is useful for testing the effectiveness of filtering rules. Authentication is possible through an IMAP server or LDAP directory, and desired accounts can receive administrator...


Platforms: *nix

junkfilter is a procmail-based spam filtering system that is both configurable and customizable. Procmail is a popular and powerful mail-processing program available for nearly all Unix systems. This means that junkfilter doesnt work on Windows, AOL, Hotmail, Yahoo! Mail, Juno, WebTV, or any...


Platforms: *nix

eximspamy is a spam filter framework that uses exims perl extension. It is supposed to be solution which requires no maintenance and will use only very little cpu power. I am using this on a pentium 100 Mhz server with no problems. eximspamy processes or rejects the mail in one go. That is:...


Platforms: *nix

mod_antispam is an apache module which can control referer spam. By using this module, you can control referer spam accesses. As you know, sometimes you can see referer spam access in your log files. their purpose is to lead you to spam website by recording their website address in your log...


Platforms: *nix

GNU Sauce is an anti-spam server. SAUCE (Software Against Unsolicited Commercial Email) is an SMTP server that sits between the Internet and your actual mail software. It was originally written to help in the fight against spam, but it also helps encourage good configuration and administration in...


Platforms: *nix

Chebyshev application allows someone to set up a spam filtering email forwarding service. Chebyshev is an engine for an email forwarding service similar to those "bitdiddle@alum.college.edu" email forwarding services that some schools provide. Combine email forwarding with spam filtering, and...


Platforms: *nix

Sporkie is a challenge/response spam email filter. Sporkie project uses CAPTCHAs (randomly generated, distorted images of numbers) in order to verify that a person sending email is human. It works in the same manner as the ASK project, except that Sporkie uses CAPTCHAs. The main advantage to...


Platforms: *nix

webfilt is not a spam filter, but provides a generic web-based interface for Bayesian-style UNIX filters that need occasional training and corrections. It has been tested with SpamProbe and SpamBayes, but should work with other command-line filters too. The webfilt system works with existing...


Platforms: *nix

webfilt is not a spam filter, but provides a generic web-based interface for Bayesian-style UNIX filters that need occasional training and corrections. It has been tested with SpamProbe and SpamBayes, but should work with other command-line filters too. The webfilt system works with existing...


Platforms: *nix

ASSP is the best SPAM fighting weapon that the world has ever known! When it comes to killing SPAM nothing is as deadly as an ASSP!.


Platforms: *nix

PASP is a Bayesian-like spam filter that can be used as a POP3 proxy. You can run in two ways PASP. 1. Run pasp.py as a pop3 proxy and configure your pop3 email client to connect through pasp and insert a header for the email client to filter on. 2. There is support for procmail and...


Platforms: *nix

Mail::Message::Head::SpamGroup is a Perl module which contains spam fighting related header fields. INHERITANCE Mail::Message::Head::SpamGroup is a Mail::Message::Head::FieldGroup is a Mail::Reporter SYNOPSIS my $sg = Mail::Message::Head::SpamGroup->new(head => $head, ...);...


Platforms: *nix

SpugSpam is a script that runs a confirm-response spam filter. SpugSpam project is designed to be flexible, and intended for use within your procmail pipeline. It is not intended to be user friendly, so if you are asking yourself "whats a procmail pipeline?" then SpugSpam is probably not for...


Platforms: *nix

IVS Milter provides a virus, spam, and content filtering milter. IVS Milter is a virus, spam, and content milter. It makes use of the antivirus package ClamAV, and can also seamlessly integrate SpamAssassin (either spamc or libspamc). IVS Milter is also plugin based and currently supports...


Platforms: *nix