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Anti-Spam SMTP Proxy Server implements multiple spam filters
The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.8.1 build 24261.
MailCleaner Open Source Edition is now discontinued but will continue under the spamtagger project
https://github.com/SpamTagger
[antispam] MailCleaner is an anti-spam / anti-virus filter SMTP gateway with user and admin web interfaces, quarantine, multi-domains, multi-templates, multi-languages. Using Bayes, RBLs, Spamassassin, MailScanner, ClamAV. Based on Debian. Enterprise ready.
MailCleaner is an anti spam gateway installed between your mail infrastructure and the Internet.
It includes a complete GNU/Linux OS and a graphical web interface for user and administrative access. ...
...It offers Web content filters, ensuring better performance of the network, allowing users to use the service efficiently and securely, providing a deep control of the use of the Web access service, blocking access to unwanted websites, Virus, Spam, Applications and intrusion attempts. Its configuration is made entirely by the web interface.
...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 for email traffic (POP and SMTP), content filtering of Web traffic and a "hassle free" VPN solution (based on both OpenVPN and IPsec).
SSL Signature Check (SSLSigcheck) is an email filter designed to be run from within procmail. It will examine the signature and certificate of a signed email, and add header information that procmail recipes can use to filter the message.
RadicalSpam is a free and open source package distributed under GPL v2, including products such as Postfix, SpamAssassin Amavisd-new, Clamav, Razor, DCC, Postgrey, Bind; providing a secure SMTP relay, ready to use with linux and docker environement. More information : http://www.radical-spam.org
RadicalSpam Virtual Appliance takes full solution of RadicalSpam Community Edition , pre-installed in a OVF virtual machine ( Open Virtual Format ) compatible with the best virtualization platforms on the market , including VMware ESX Server. More information : http://www.radical-spam.org
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The system is designed to upload phishing emails to a database where they are automatically analyzed and customized reports can be generated. UnMask was developed by ECIT Labs, Dept of Computer Science, FSU. The director of the Lab is Dr. Sudhir Aggarwal. UnMask has substantial on-line help features and should mainly be self-explanatory.
An open, all-in-one SMTP gateway, scanning your email traffic in order to prevent spam and viruses, using several anti-spam technologies. Based on Ubuntu Server.
FDNS measures, detects, and notices the extremely anomalous traffic according to the bulk distribution aspect of flooding traffic, including: packet flooding attack, portscan, spam distribution.
spamsink is a fake (honey pot) SMTP server written in PERL for dumping SPAMs. A fake relay is under develompent (version 0.3), parsing the message body to trigger web bugs is planned.
MailScanner is an email virus scanner, vulnerability protector and spam tagger. It is written in Perl for any Unix/Linux system. It supports the Postfix, Sendmail, Exim and ZMailer MTAs, and any combination of 17 different virus scanners.
Spam-X is a small CGI script that seeks to entrap spambots and flood them with thousands of worthless e-mail addresses. It "hides" these junk mailto: links in the body of an HTML page, which it generates using words from the dictionary.
BASTED is a free tool that acts as a honeypot for spammers, who use spambots to harvest email addresses from websites. BASTED has been designed to become a powerfull tool for system administrators willing to learn about the the spam process. (Please note
pgpenvelope is an interface between Pine and the GNU Privacy Guard (GnuPG). It allows one to perform expected OpenPGP-related operations on messages. Ease of installation, setup, and use are distinguishing features.
anonvelope is a mail-message processing program that is designed to allow the message to make full use of Type-I (cpunk-style) remailers. It is especially designed to work with Pine, but it is possible it may be used with other MUA's.