0 a piece of software that prevents spam (= unwanted email, usually advertisements) from reaching your inbox (= the place on a computer where emails that are sent to you are kept) --
They are also carried along in email in order to fool spam filters by giving the spam the superficial characteristics of legitimate text.
Other reasons include resource exhaustion such as a full disk or the rejection of the message due to spam filters.
Spam filters typically do not provide users with protection against pharming.
Their goal was to improve relevancy, create a larger index, and to introduce family-friendly and spam filtered results.
New features in version 2 included better spam filters, better user filters and a new cleaner look.
One type is adaptive spam filters that learn to recognize spam from classified e-mail messages.
Most applications here are adaptive spam filters and document classification.
For example, the spam filter would make a guess after each line or after every x bytes received as to how likely this message is going to be spam.