What is the use of Spam Filtering Service Reviews?

What is the use of Spam Filtering Service Reviews?

The Spam checkers/Filters are generally used to filter the unwanted emails which are fake or malicious that could redirect us to some phishing page and enter our confidential information or execute some sort of virus into our PC by scan files. All these occur through the emails so we use filters in order to separate these type of emails from the original once.
The Spam mail filters work on the algorithms of the Bayes theorem and the probability tables and calculations
Reviews on Spam emails given by my friends:
 Spam emails are those which helps us to keep our self-safe online, without anyone entering our websites.
 Spam emails are generally made to filter the unwanted emails which help us to protect our data online.
 Spam mail filter is the one which keeps us away from the viruses uploaded to the web and sent to our emails so that anyone could attack our privacy.
 Spam mail filters are used to filter the waste and unwanted emails which enters our emails.
 Basically, these Spam mail filters are used to filter the emails which carry unwanted stuff like payloads and advertisements etc.