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Why aren't spam filters better? I can recognize spam so easily. I can understand the filter having problems with new messages not seen by the filter, but I've marked otherwise identical messages as spam.
improve the accuracy of your spam filter
most email spam filters classify spam based on word frequency. when you train the filter, you give the filter a list of bad words. if a particular bad word comes up frequently it increases the likelihood that that email is spam. then
Another Hole in Gmail’s Spam Filters
As effective as Gmail’s spam filters are, the Google wonks must spend endless hours in pitched battles with spammers looking for a way through. Over the last couple of days the spammers have found a new hole - I’m drowning in spam that
Alpha Geek: Keep spam off your cell phone
Cell phones and smartphones alike lack spam filters, so it's not uncommon to end up with 50 pieces of junk for every legitimate message. That makes for long, slow, battery-draining mail downloads and almost impossible mail management.
IronPort claims image-spam filters produce high catch rates
Messaging security vendor IronPort says its e-mail filters tuned to trap image spam – the latest spammer trick that’s made a significant increase in the amount of unwanted messages flooding in-boxes – are now reaching catch rates of as
local anti-virus/spam filters vs. external anti-virus/spam filters
i have recently been asked the question “now that i have an external anti-virus/anti-spam filter like postini, can i get rid of my norton anti-virus subscription?” the short answer is no. ideally you will want both,
XSS Keyword Used To Defeat Baysean Spam Filters
I was pretty amazed when I read this, but it is starting to make more and more sense the more I think about it, but “geek speak” is being used to defeat Baysean Spam filters. According to MessageLabs (who I happen to think is one of the
Overly aggresive spam filters on WLM ?
I got this email a while back just thought it was funny that the sender was marked as a unknown :D
outlook express spam filter 1.0 demo
outlook express spam filter - automatically and efficiently filters spam and phishing fraud
Revenge of the Captcha! Reverse Captcha, Ransom Notes and Image Spam
I suppose these images in spam (actually, the spammers) liked the idea, and as most not black/gray listing related spam filters are content-specific, the use of images to deliver the spammy message makes sense. A computer can’t read it.

Spam Filters - Free Software Downloads and Software Reviews
Iconix eMail ID, Spamfighter, Spam Bully for Outlook Express, Spam Filter ISP, CA Anti-Spam and more - Reviews and free downloads at Download.com.
Outlook Spam Filter - MS Outlook Add-on to protect your Inbox
Uses Bayesian algorithm, friends lists and customizable keywords to filter your e-mail.
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)
Spamihilator - Anti-Spam-Filter
Filter that works with any POP3 client. Uses Bayesian filtering.
Spam Filter for Outlook - Outlook Express and Servers - SPAMfighter
SPAMfighter is Europe's leading Spam Filter developer, providing Spam Protection across the globe for more than one million home and corporate users on PC's