Spam Filtering Mail Servers Internet

Spam Filtering Mail Servers Internet

Spam Filtering

This category is for anti-spam programs that operate on mail servers. The difference between an anti-spam program running on a mail server and an anti-spam program operating on a mail client is that the filter running on the server can remove spam from everyone's mailbox at the same time, instead of from just one user's mailbox. Server-level programs are installed by a systems administrator, and individual users do not need to maintain them. Spam filters for a specific mail server (for example, writing filters for sendmail) are listed in the category devoted to that mail server. This category contains standalone software (and hardware) designed for spam filtering.

Top: Computers: Software: Internet: Servers: Mail: Spam Filtering

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See Also:

- Anti-spam software that acts as a proxy to existing SMTP servers. Filters E-mail based on DNS blacklists and individual filters such as keywords, IP, From address. [Unix,Windows]
- Software to actively test for and block open mail relays and RBL-listed hosts. [Unix]
- The Active SMTP Appliance is a hardware appliance that dynamically filters and quarantines junk e-mail before it gets to the mail server. [Hardware]
- List of spam filtering programs and scripts for mail servers.
- Challenge/response system. Multi-platform filtering free software written on Python. WLE requires a confirmation from unknown senders before delivering their mail in your mailbox. [Unix]
- Advanced spam control using many different tests with a variety of possible actions to take on spam. [Windows]
- Email filtering network appliance. Provides accurate anti-spam and anti-virus protection for both small and large businesses. [hardware]
- Accurate, multi-platform spam filter updated several times per day using 60,000+ heuristics. Typically scans messages in under 200 milliseconds on modest hardware. [Unix,Windows]
- Perl based spam and anti-virus filters. The content of individual messages and their attachments is analyzed across several broad categories. The program works with the Mercury32 email server. [Windows]
- A Java program using a Chi Square algorithm to detect spam. It is best suited to developers wishing to integrate anti-spam services into an existing server based java E-mail application, but can be used for client applications. [Java]
- Free open-source software for users of the free Windows Hamster local news and mail server, to filter out spam using any of the publicly available Realtime Block Lists (RBL). [Windows]
- This article explains how to set up ACLs in Exim 4 to reject spam.
- Appliance filters mail coming into your network for spam and dangerous content. [Hardware]
- Advanced E-mail proxy incorporating Spamassassin. [Windows]
- MailStripper is an SMTP-level spam filter with antivirus capability for Linux, FreeBSD and Solaris. [Unix]
- How to filter spam with Spamassassin on Redhat 9. [Unix]
- Tethernet TetherFilter is an easy to deploy, affordable anti-spam and anti-virus appliance that can be used in front of any existing Internet email server. [Hardware]
- SMTP Trap is spam killer software. It blocks spam before is is even delievred to your mail server. [Windows]
- MessageWall is a secure spam/virus filtering SMTP proxy that works with any MTA. [Unix]
- MailShield filters e-mail before it gets to the mail server. Customizable. Free trial available. [Unix,Windows]
- Patched version of Obtuse SMTPD that provides content filtering and tar pitting. [Unix]
- Mail Warden Pro is E-mail server security software with anti-spam, anti-virus and content filtering for any mailserver. [Windows]
- An antispam appliance, claiming that it is 98% effective at blocking spam. [Hardware]
- The Barracuda Spam Firewall handles over 10 million messages a day, without bogging down your email servers. [Hardware]
- Software intercepts spam, email-borne viruses, and other objectionable content before reaching your organization's mail server by utilizing complex contextual signatures as opposed to simple keyword lists. [Unix, Windows]
- A very effective anti-spam appliance. MailFoundry creates a spam firewall for effectively stopping spam. [hardware]
- CanIt is a flexible server-based anti-spam solution built around SpamAssassin. [Unix]
- Prevents SMTP hijacking (outgoing spam) of the respective MX SMTP Server from anonymous Dial-In Users. [Unix]
- MailChannels eliminates false positives by using a new technique using subdomains in E-mail addresses. [Windows]
- Explains how to build a Debian anti-spam and anti-virus gateway E-mail server using Postfix, amavisd-new, SpamAssassin, Razor, DCC, Pyzor and ClamAV.[Unix]
- The PowerElf II anti-spam appliance uses several different techniques to help stop spam at its entry point, before it has a chance to travel to the end-user’s mailbox. [Hardware]
- Spam control using Blacklists, mark spam by modifying subject, anti relay possiblities. [Windows]
- E-mail firewall for antispam and junk e-mail filtering. Also blocks viruses, hackers and secures e-mail. [Hardware]
- Intent based filtering technology. Simply better e-mail. You plug it in, and all that junk email just goes away. [Hardware]
- The purpose of this add-on is to intercept each message passing through the IMail server. It then runs a range of tests to determine if the message is unsolicited commercial e-mail (UCE), commonly referred to as junk mail or spam. [Windows]
- A small, fast, open-source spam filter. Designed to work with or replace SpamAssassin. Uses DNSBL lookups to discriminate spam. [Unix]
- JSpamFilter is Java-based, performs both source and content filtering, and provides a variety of treatment options. It is high-performance and highly customizable. [Java]
- Supports domain banning, MAPS/RBL, and lexical scanning. Works with all SMTP servers. Trial version available for download. [Windows]

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