The unwanted email is email that you receive from unknown people. You don't know the people who send email to you. Normally all emails are regarding to the promotions or advertisement of products or any announcements that you don't welcome all these.

Just imagine that when we receive about 40 to 60 emails per day or more, we have to delete them all. The problem is we have to pick which emails from friends and which one not. Therefore it would take a lot of time because we have to be careful in deleting the emails.

Besides, most of us are running blog. I've just deleted about 7000 comments that were submitted by spammers. The numbers sound crazy, doesn't it? But that was the reality that happened to me. Luckily now I have installed the plug in to fight all these spams from entering my blog comments. It's safe now from spammers. It's not necessary for me to delete all these unwanted comments or spams because they can't invade my blog again. The reason why so many people send a comment to a blog is they want to get free back link in order to increase the pager ank of their website and to promote their products.

Regarding the emails that full of spams, there are several steps that we can apply to overcome spam.

One of them is spam filter software. There is a lot of spam filter software in the market. You can pick any of them depending on your budget and usage. And, you have to make sure that the spam filter software you are going to use is up-to-date or it can be updates anytime if any changes occur.

Besides, you have to save contact for all your friends in your email. For instance, you might have seen in the yahoo email, there is something called “Add to Address Book”. This is what I mean. Make sure that you add all your friends' contact in the address book in the email. Therefore, any email from your friend will direct to your inbox and any unwanted emails will be directed in the “Bulk” or “Spam” folder. Most people call this process a white listing. It acts as email spam filter.

You also have to educate yourself to be anti spam. Don't simply give away your email address to any people that you are suspicious. They are untrusted people. They will misuse your email address and send spams as many as they want.

Therefore, we have to fight spam together because everybody hates spams. Whether you want to use spam filter software it's up to you. It's you to make sure you are not intruded by unwanted emails.