Today there are various types of such software, free or paid. Opting for free is not a good move unless it comes from a trusted source like Microsoft. The world population is currently estimated at seven billion. Of this large number, at least two billion so far have access to the World Wide Web.

Millions of people around the world surf the Internet every day. Dozens of people around the world do shopping, dating, social networking, money transactions, doing business, and other activities through the Internet. Not surprisingly, this has given birth to a new generation of people, hackers. Just downloading free software from the Internet can harm your PC or email server.

Your best bet is to buy a proper anti-spam email server from a reliable anti-spammer facility provider. Hackers can violate the privacy of a company or a person via email servers or PCs. This can cause serious problems. Alternatively, hackers can access company servers or someone's PC via unsolicited email.

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However, it is not reliable. Spam still manages to get into someone's inbox. Professional hackers can do this quite easily. Therefore, whether it is a business or an individual, it is important to download and install anti-spam email server software. In addition to allowing personal or company information to be accessed, receiving the unsolicited email can often be a nuisance. You should continue to delete these emails regularly to free up more space in your inbox. 

Apart from protecting against spam, it is also important to download and install anti-malware and anti-virus software. The warranty period of one to two years generally applies to each type. Instead of buying each type individually, consider buying a package.