Spamassasin - Intelligent Spam Filter
SpamAssassin is a mature, widely-deployed open source project that serves as a mail filter to identify Spam. SpamAssassin uses a variety of mechanisms including header and text analysis, Bayesian filtering, DNS blocklists, and collaborative filtering databases. SpamAssassin runs on a server, and filters spam before it reaches your mailbox.
It is in use in both email clients and servers, on many different operating systems, filtering incoming as well as outgoing email, and implementing a very broad range of policy actions.
comments powered by Disqus
DSPAM is a scalable and open-source content-based spam filter designed for multi-user enterprise systems. DSPAM is an adaptive filter which means it is capable of learning and adapting to each user's email. Instead of working off of a list of rules to identify spam. DSPAM's probabilistic engine examines the content of each message and learns what type of content the user deems as spam or nonspam.
ASSP is a SMTP proxy which sits between SMTP server and the MTA. It filers the spam and delivers the legtimate mails to the MTA. Its feature include Bayesian analysis, Sender Policy Framework) validation and blocking, Realtime Blackhole Listing, URL Black Listing, Multi-level attachment blocking, LDAP support, Backscatter Detection, SNMP support and lot more.
Endian Firewall Community (EFW) is a "turn-key" linux security distribution that makes your system a full featured security appliance with Unified Threat Management (UTM) functionalities. The software has been designed for the best usability: very easy to install, use and manage and still greatly flexible. The feature suite includes stateful packet inspection firewall, application-level proxies for various protocols (HTTP, FTP, POP3, SMTP) with antivirus support, virus and spam-filtering f
Thunderbird is most popular simple e-mail, newsgroup and news feed client. It is comparable to Microsoft outlook. It supports features such as Firefox's tabbed browsing, Email search, Message archive, Spam filtering, Message grouping, SSL, TLS, POP3 and IMAP support and lot more.
Django-spambayes - A collection of utility apps for using SpamBayes filtering within Django projects
Django-SpamBayes includes a few utility apps for Django that offer an easy to use interface to the SpamBayes statistical anti-spam filter allowing filtering and moderation (with training) of comments, contact forms and other publicly submitted data. Note: These apps do not depend on any of the e-mail client plugins (i.e.: Outlook plugin) available from the SpamBayes project. However, the core spambayes python package needs to be installed on your PYTHONPATH. It is recommended that you download a
UpdateI won't have time in the near future to do bugfixes, new features etc. Feel free to fork any of the stuff in this repo with attribution. MPTT for KohanaThis project has been superseded by a behaviour for ORM which does the same An implementation of MPTT for Kohanaphp using Kohana's ORM functionality. It is based on the implementation of MPTT for CI: http://www.codeigniter.com/wiki/Nested_Sets/ but some major modifications to support ORM, scopes and parent ids This means it is in functional
This is a Google Summer of Code 2007 project. Bayesian filtering is a powerful machine learning tool frequently used in spam detection. The basic idea is that every word has different possibility to appear in a spam or innocent email. If an email contains lots of word usually appear only in spam email, we can say that this email is probably a spam too. Bayesian filter plays an important role in SpamAssassin. With Bayesian filter activated, SpamAssassin is more adaptive and accurate than using st
PregSpam is a wordpress plugin ,with which you can write your own regex to anti-spam. For example,you can write a pattern "#company#" to test the author name.If match,author may be the spammer of a company ,then wordpress will do what you defined(wp_die(),mark as spam or mark as unapproved) in PregSpam. You candefine the type of the comment to be tested: trackback,normal comment define different fields to be tested: content,author name, author url, author email define different matching behavito
php-akismet-contactWritten as a method to clear out my inbox. Spammers aggressively submit junk into any form they can find on the web, making most "Contact Me" forms useless. This is an attempt to fix that. Security MeasuresAll form fields are checked for newlines or null bytes followed by email commands. HTTP Referrer is required, and checked against an array of allowed referrers. Sender email is validated Emails may only be sent to the recipient defined in the script If all of these checks pa
amavisd-new is a high-performance interface between mailer (MTA) and content checkers amd virus scanners. It talks to MTA via (E)SMTP or LMTP or by using helper programs. It works best with Postfix, Sendmail and Exim v4, works with sendmail/milter, or with any MTA as a SMTP relay. The content received from the mail server is processed with Spam and Anti virus scanner and based on the results the mails will be quarantined.