Spam filter is a solution designed to secure the user from spam and it is used to filter incoming email or links. The spam filter uses prepared lists with unacceptable e-mails or websites. These listings are generated to train the spam filter work more effective. Throughout the “training”, the spam filter defines the standart by which the e-mail letters will be defined as spam. Don’t forget to label “non-spam” letters so that the spam filter can recognise the distinction between private messages and junk e-mail. Please remember to follow the mailing rules as not to become a spammer by yourself while sending mass e-mails.