Spam Filtering through Spam Filters Nowadays, hardly anyone has any of the inhabitants of the industrialized countries need to tell what is spam. Global network the Internet and computerization gave mankind hitherto unprecedented possibilities of communication and information processing, accelerated and cheaper for many, many types of goods and services, but at the same time and gave rise to such a problem as spam.

What is spam? Spam - unsolicited e-mail you, to impose the goods and services initiated arrogant

businessman, if not fraud. Why spam is harmful? Spam takes up your time on its analysis and disposal - examining the spam person can accidentally delete and correct letter, spam increases the load on mail servers and communication channels - ultimately desired letter delayed in delivery, and the user receives a low speed connections and additional charges for the traffic. Also spam corporate mail takes staff time companies, which leads to a drop in productivity. Why spam exists?

For the existence of spam, there are two preconditions - one philosophical and one technical. It is through such "dealers" there is a demand for the services of spammers. The technical reason is that the basis of the protocol SMTP (mail transfer protocol on the Internet) was created more than 35 years ago, when the prototype of the current Internet ARPANET consisted of only two or three university laboratories, and no one could have imagined that the further development of this technology will be have as a worldwide global network. Accordingly, in the protocol standards have not been laid unambiguous sender authentication technology.

As spam filter? The issue of spam filtering doing hundreds of laboratories around the world. Created spam filters are designed to ensure automatic sorting of incoming messages to those people who send and those who send spam robots. To solve this problem of spam filters in their work using the so-called fuzzy logic: the problem of determining "Spam / Not Spam" is not broken a lot of steps and each step of making its assessment in the final result, the verdict of the spam filter. Some websites on internet are providing cloud based spam filtering. One of the popular cloud based

email filter solution is everycloudtech.com spam filtering services. It’s a cloud based solution thus blocks 99.99% of Email Threats and Spam. Will there ever be completely rid of spam?

Probably not, as we mentioned above except for the existence of spam technical prerequisites exist purely philosophical. And if spam filtering from a technical point of view, more or less effectively ensured by spam filters from different manufacturers, then to solve the philosophical question should be unprecedented - to change the man himself