The Advantages of Bayesian Spam Filters


Bayesian spam filtering strategy is a great way of removing the spam from reaching your inbox. M. Sahami, S. Dumais, D. Heckerman, and E. Horvitz proposed this method in “A Bayesian technique to filtering junk email” in 1998, but till it was explained in a paper by Paul Graham, in 2002, it got no attention. Thereafter, it has actually ended up being a great method for differentiating genuine email from the invalid spam mail. Modern e-mail programs use the Bayesian spam filtering methods, and so do the server-side email filters, which at times, embed the function of the Bayesian spam filters within the mail server software application itself.

The Bayesian exchange spam filter works by analyzing and then determining the probability of the contents in the e-mail being spam. It self-builds a list of attributes of spam along with good components in the message. Based on the analysis, the message is categorized as spam or legitimate. After the message has actually been categorized, the spam filter is further trained on a per-user basis. This is the benefit of Bayesian anti spam filters.

A lot of spam one receives is more often than not related to one’s activities online. You might have signed up for an online newsletter, which could be considered as spam. This newsletter, like other newsletters from the very same source, is likely to contain common words, such as its name and its email address, from where it came from. Your Bayesian filter will evaluate the contents, identify the attributes, and appoint a greater rate of likelihood to its being spam. All this is based upon your particular user activity.

Genuine e-mails you get are various from the spam, and the Bayesian anti spam filter will designate a lower rate of likelihood of its being spam. In an environment where you get corporate emails from the very same source, the mails will have the exact same company name, and the names of the customers or consumers. These will be analyzed as legitimate by your Bayesian filter.

The Bayesian spam filter’s precision enhances in time. It examines the characteristics that permit it to evaluate the likelihood, and whenever the filter improperly classifies a message, its restorative training takes over. The probability of each word is unique to each individual user.

The Bayesian filter is extraordinary in preventing incorrect positives. If the e-mail you receive includes the words ‘Nigeria’ or ‘lotto’, which have regularly been seen in spam messages, your Bayesian anti spam filter would probably put it down as a likely, and not reject it outright, as a regular spam filter might. It would search for other qualities to classify the message. If the mail occurs to be from your spouse, it would suggest its legitimacy, and your Bayesian spam filter would conquer the possible spam words.

Author is admin and technical specialist connected with development of computer system security and performance enhancing software application like Registry Cleaner, Anti Spyware, Window Cleaner and Anti Spam Filter. Discover how Anti Spam filter assists in securing online privacy. Visit our Home pageor Resource center to find out more about products and download complimentary trial of a range of security and efficiency enhancing software application like

  • Windows Computer registry Cleaner
  • Anti Spyware and Anti Adware
  • Windows and Web Cleaner
  • Anti Spam Filter for MS Outlook
  • Anti Spam Filter for Outlook Express


Please enter your comment!
Please enter your name here