SpamCop.net - Beware of cheap imitations
Will help find the sender of a spam and an address to send a complaint to.

Leading Antispam Spam Blocker Filter Antivirus Email Solution
An email filtering service for businesses or individual domains. 30 day trial offered.

Anti Spam - Spam Filter - Spam Appliance - MailFoundry by Solinus
A very effective anti-spam appliance. MailFoundry creates a spam firewall for
effectively stopping spam. [hardware]

Anti Spam Tools -dot- com: Filter Spam without receiving it!
A simple POP3 mail notifier with preview feature. [Win32]

SpamPal homepage
A free filter that uses DNSBL lists to filter an IMAP or POP3 account.

ChoiceMail - Anti Spam Filter Software and Email Firewall. Stop ...
Spam filtering tool. Features, support, testimonials, and contact information.

Spam Filter / Spam Firewall / Spyware Filter / Spam Appliance ...
The Barracuda Spam Firewall handles over 10 million messages a day, without
bogging down your email servers. [Hardware]

InBoxer Antispam Blocker: Editor's Choice for Best Outlook Spam ...
Filter for Outlook which uses Bayesian analysis to detect Spam.

MailFrontier Anti Spam, Software, Appliance, Filter, Email Security
Works with Outlook 2000/2002 and a POP3 account. Uses white/black list, challenges
and a users reported database to identify spam.

Symantec Corporation
Provides advanced technologies and solutions to enhance the capabilities and
manageability of e-mail.

Fight Spam on the Internet!
Includes information regarding laws, filtering, spam prevention, and responsible
marketing, as well as information and advice about how to complain about spam.

spamgourmet - free disposable email addresses, spam blocker
Provides disposable e-mail addresses. Users can also set up rule sets for trusted
or permitted senders.

Spamihilator - Anti-Spam-Filter
Filter that works with any POP3 client. Uses Bayesian filtering.

SpamBayes: Bayesian anti-spam classifier written in Python.
Probability based mail filter includes Microsoft Outlook plug-in. [Win, Mac,
Unix, Linux]

Dignity Software - Spam Alarm - Advanced anti-spam technology .
Filter that uses statistical analysis of words to stop spam. Available for POP3
accounts and as a plugin for Outlook.

Spamlook: Anti-spam Plugin for Microsoft Outlook
Bayesian spam filter specifically for POP3 accounts and Microsoft Outlook
2000/2002/2003.

trimMail Inbox Anti-Spam Appliance: Spam Filtering, Content ...
Appliance filters mail coming into your network for spam and dangerous content.
[Hardware]

Cloudmark - Anti Spam and Spam Blocker Solutions
A toolbar for Internet Explorer which blocks sites containing spyware, viruses
and worms, and helps protect against identity theft and phishing.

A Plan for Spam
Article outline Paul Graham's proposal, and an extensive spam FAQ.

MailboxFilter.com Anti Spam Blocker - Spam Filter for Email and ...
A spam filter that sorts mail into folders, it includes virus protection.
Available for Windows 9X/ME/2000/NT.

Spam (electronic) - Wikipedia, the free encyclopedia
Provides a general overview of the spamming phenomenon. Links to articles which
discuss the techniques of spammers on particular media: Internet e-mail, ...

Spam: How to Fight it - Elsop's Anti-Spam Page
Links to anti-spam sites and legislation.

Anti spam service filters junk email - SaveMail.com
A service that filters unwanted email from a users mailbox. Fully user controllable
and allows views of filtered spam.

mailcleaner.net - spam, antispam, anti spam, filtrage, filter ...
Offers e-mail filtering to stop spam and viruses at their server before it reaches
to the end user.

SurfControl – Enterprise Threat Protection
URL- and keyword-based Internet filtering and blocking proxy. 20 blocking categories.

The Spamhaus Project
Tracks known Spam Support Services and lists the ISPs who keep organized spamming
alive; includes news, block list and ROKSO, the Register Of Known Spam ...

Free Spam Blocker Download - SpamButcher
Fuzzy-logic based anti-spam filter for Windows systems.

McAfee - SpamKiller Anti-Spam Software
Easiest to use anti-Spam tool available to Windows users. [Win95/98/Me/NT/2000]

Postini - The Leader in Preemptive Email Security
In-line infrastructure for pre-processing email messages in real time. Allows email
management applications to be integrated into any SMTP email system.

Protect e-mail, prevent spoofs, improve anti-spam filters, prevent ...
Mail filtering firewall system to detect, evaluate, and block the sources of
spam, malicious software and unwanted e-mail at the network perimeter prior to ...

Email Compliance, Virus Protection, Anti Virus, Spam Filter ...
Enterprise level email protection and message management services.

Robin Keir's home page - Software - K9
Uses Bayesian filtering together with a POP3 account.

Qurb Anti-Spam Software - PC Magazine Editors' Choice Best Anti ...
Anti-spam software for Microsoft Outlook that uses an approved sender list rather
than content-based filters.

Spam Bully - Email spam filter for Outlook and Outlook Express.
Email filter for a POP3 inbox. Includes a self learning spam filter and
friends/spammers list. (Win 98/ME/2000/XP)

MiserMail anti-spam email program to eliminate spam
E-mail program whose main feature is to access a POP3 account and filter spam.

Exchange 2003, 2000, 5.5 disclaimers, anti spam, anti virus ...
Developers of email security, email management and email policy enforcement
software for Microsoft Exchange server.

SpamAssassin: Welcome to SpamAssassin
A mail filter, written in Perl, to identify spam using a wide range of heuristic
tests on mail headers and body text. Free software. Can be used as a standalone ...

Spam Arrest - Take Control of Your Inbox
POP3 service that blocks spam using sender verification methods.

Email filter and anti spam software from Lyris Technologies
MailShield filters e-mail before it gets to the mail server. Customizable.
Free trial available. [Unix,Windows]

Polesoft Safe Anti Spam Software
An add on for Microsoft Outlook users. Includes white/black lists. Free for
individual users.

Effective Anti-spam filter for Microsoft Exchange Server, Domino ...
Software intercepts spam, email-borne viruses, and other objectionable content
before reaching your organization's mail server by utilizing complex contextual ...

CipherTrust - Anti Spam and Email Security
Ironmail e-mail specific security appliance offering Anti-Spam, Anti-Virus and
Webmail facilities.

EcoFuture resources on junk email (junk mail) and spam
Information on deciphering spam, complaining about it, and filtering e-mail.

Stop Spam!
Editors of Internet ScamBusters present tips and resources to reduce spam.

Anti Spam Filter for Outlook - Outlook Express and Servers ...
FIlter for Outlook. Works with POP3/IMAP servers.

Mailwasher Anti Spam Software: The Reliable Spam Blocker
Protects your computer from unwanted email spam and stops viruses before you
download them.

Spam filter for Outlook, Outlook Express, professional anti-spam ...
Bayesian spam filter for Outlook Express, Outlook and all POP3 clients. Available for
Windows 98/ME/NT/2000/XP.

SimpleFilter anti spam email filter - homepage
SimpleFilter is a tool to help you filter junk mail (spam).

The Anti-Spam Home Page
Instructions to automatically filter your e-mail, defend your site from exploitation
by the spammers.

CleanMyMailbox - Permission-Based Filtering Service
Whitelist-based service that automatically "cleans" mailboxes of unwanted email
multiple times per hour.