Anti Spam Exchange

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... 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

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

Spammer is an anti-spam mail filter for the popular MTA Sendmail. Spammer checks all IP-Addresses found in the mail header against a DNS blacklist (such as the one from Easynet, Spamcop or Osirusoft). Depending on the configuration, Spammer rejects mails from well-known spam sources or tags... Platforms: *nix

SpamBayes is a Bayesian anti-spam classifier written in Python. The major difference between this and other, similar projects is the emphasis on testing newer approaches to scoring messages. While most anti-spam projects are still working with the original graham algorithm, we found that a... Platforms: *nix

Maverix is an Anti-Spam and Anti-Virus solution for AOLServer. This is AOLserver module that implements SMTP protocol and acts as SMTP proxy with anti-spam and anti-virus capabilities. It includes Web interface to manage quarantined messages and administrative interface based on OSSWEB.... Platforms: *nix

CleanMail Home is a complete and versatile SMTP / POP3 email security solution (anti-spam/anti-virus) that easily integrates into existing email environments. CleanMail Home includes a comprehensive set of filters, including an attachment blocker, remote blacklist filter (DNSBL), and a complete... Platforms: Windows

CleanMail Home is a complete and versatile SMTP / POP3 email security solution (anti-spam/anti-virus) that easily integrates into existing email environments. CleanMail Home includes a comprehensive set of filters, including an attachment blocker, remote blacklist filter (DNSBL), and a complete... Platforms: Windows

Note: it is not recommended to use the WordPress automatic plugin upgrade on this plugin. Instead, download and extract the plugin manually from the plugin page at http://wordpress.org/extend/plugins/peters-custom-anti-spam-imageStop a lot of spambots from polluting your site by making visitors... Platforms: PHP

NetWrix Antispam for Exchange is a freeware server-side spam filtering product that filters spam messages for known spam criteria, such as black listed domain names, malformed URLs, and others. This product is freeware. Please contact NetWrix Corporation at www.netwrix.com to obtain more... Platforms: Windows

No anti-spam vendor claims 100% accurate spam filtering ? which is precisely why Policy Patrol Spam Filter for Exchange 2003 includes an email quarantine report that allows users to quickly scan through the list of newly quarantined spam messages in Outlook and deliver emails and white list... Platforms: Windows

No anti-spam vendor claims 100% accurate spam filtering ? which is precisely why Policy Patrol Spam Filter for Exchange 2007/2010 includes an email quarantine report that allows users to quickly scan through the list of newly quarantined spam messages in Outlook and deliver emails and white list... Platforms: Windows

NUCEM™ improves your personal productivity by eliminating what you perceive to be spam from your Inbox. No other solution can do that for you. NUCEM™ installs in minutes and is completely intuitive so you are spam free without complicated configurations or lengthy user manuals. NUCEM™... Platforms: Windows

GFI MailEssentials for Exchange/SMTP is a server based anti spam, anti-phishing & email management solution for Microsoft Exchange Server & Notes/SMTP servers. Over 98% of spam and phishing mail are caught before they reach the mail server, no need to deploy client software. Its advanced Spam... Platforms: Windows

SecurityGateway email spam firewall for Exchange/SMTP Servers provides affordable email security with a powerful spam filter that serves as a Microsoft Exchange firewall or SMTP firewall. It also protects against viruses, phishing, spoofing, and other forms of malware that present an ongoing... Platforms: Windows

This highly personalized Outlook email filter can block over 99% of spam and junk email. Yet, it makes sure that you don't miss the mail you need to see. How? Unlike most anti-spam products, InBoxer builds unique filters that based on your mail folders. Uses Bayesian and other advanced language... Platforms: Windows

Most effective anti spam solution available today. -* Filter and delete emails on the server from Letterman or Outlook, Outlook Express. -* Distinguish between Traditional Chinese, Simplified Chinese, Japanese, Korean charset. -* Block connections from emails. -* Hide trace from spammers. -*... Platforms: Windows

QMailFilter is an easy-to-use Microsoft Outlook add-on designed to provide an advanced intelligent protection against spammers, viruses, unsolicited emails and dangerous HTML code (Web-bugs). QMailFilter uses Bayesian filtering technology that identifies about 99% of incoming spam messages and it... Platforms: Windows

Get rid of spam with Alchemy Spam Filter for Outlook Express! Alchemy Spam Filter is a plug-in module for the Outlook Express e-mail program and represents a self-adaptive unsolicited mail protecting tool. The main method used to combat spam is the statistical algorithm of Bayes. The Bayesian... Platforms: Windows

602LAN SUITE Groupware is a secure SMTP/IMAP/POP3/LDAP messaging solution with SQL based archive and web collaboration client along with integrated BitDefender anti-virus and advanced anti-spam protection. The included web client integrates e-mail, public folders, contacts (vCard), tasks,... Platforms: Windows