If you have an email account, you most likely have received it without asking – Spam. It is unwanted email assaulting your Inbox. It promotes things like porn websites, cheap Viagra, credit repair and get-rich-quick schemes. It can maybe become the one unifying topic for the planet – no one wants it. So why are there spammers and what is their impact?
Searching for the perfect Anti Spam appliance can be like the quest for the Holy Grail. You’re never quite sure whether what you’re looking for really exists.
Bayesian Spam Filters work by analyzing and calculating the probability of the contents in the email being spam, and self-building a list of characteristics of both spam and good elements in the message. Its advantage is it is trained on a per-user basis.
Bayesian spam filters, which are a type of scoring content-based spam filters, analyze the contents of the mail, and calculate the probability of the message being spam. It builds up a list of characteristics of elements that are typically spam as well as good emails. The advantage of the Bayesian spam filters is that they build up the list of characteristics themselves, and do not depend on the manually built list.
Bayesian spam filtering has become a popular way to distinguish between legitimate emails and illegitimate spam emails, through a process that uses Bayesian statistical methods. It filters emails by classifying documents into categories. Based on the contents of the message in your email, the Bayesian spam filters calculate the probability of the message being a spam.
Spam or unwanted / junk email is an attempt to force a message on recipients who often will choose not to receive it. It is flooding the Internet with commercial advertising on dubious products. Is anti spam software a solution to solve the problem?
With the ever growing amount of spam email that hits millions of inboxes every day, many companies are considering some sort of spam filtering device. This article is an introduction to a relatively new network appliance called a “Spam Firewall”.