Computer network is backbone of various companies. Hence it impacts our life in big way. It is difficult to imagine existence of most of companies without use of such network. However in reality there are darker sides to every useful product and IT network is not an exception. Spam and virus represent the dark side of computer which attacks & can effect the functioning of business substantially. Filtering Spam & preventing virus are posing big challenge for companies.

Unwanted bulk electronic messages are called Spam in computer language. The most wildly recognized form of spam is email spam. To prevent email spam one should incorporate the exchange antispam program. These programs protects spam filter exchange server against unwanted mails.

There are several techniques, products, and programs available in the market, which provides protection from the spam but no one gives complete solution. If you want to remove spam from the computer you must have an exchange server spam filter, which identifies spam and thwarts entry in the system. This spam filter exchange works on various operating systems and it automatically checks incoming emails and filters out unwanted mails. There is no need to set complex rules for spamfilter exchange server.

Several types of spam filters are available in the market. Some of them are Spam Reader 2.5, Policy Patrol Spam Filter, Xwall spam filter etc. Each filter has some unique feature and work on specific exchange server. It is recommended to use products as per requirement and existing infrastructure.