94% of worldwide email is spam

I took up earlier.According to the article, according to the May 2006 summary by a company called Postini, 86% of the 25 billion e-mails are actually spam mails, but according to the aggregate performed by the same company, 2006 About 94% of the mails sent in December was spam mails.

Is 6% mail other than spam ...?

Details are as follows.
Spam Made Up 94% Of All E-Mail In December - News by InformationWeek

According to this article, in the report summarized by Postini, 94% of the mail sent in December 2006 is spam, and in 2006 the amount of spam mail is increased by 147% compared to the previous year is. And the reason for the increase in spam mails cites the fact that "bot net" is configured as a network that has been hijacked by spammers and moves beyond one million "zombie PCs" connected together I will. For "bot net", the following links are detailed.

What is a botnet 【bot net】 - meaning · commentary: IT term dictionary e-Words

The problem is not only the increase in the number of spam mails but also the spammer can use not only the compromised PC but also the cost of the line by using bot net so that it will pass through the spam filter It is also a matter that increasing the data size of each spam e-mail as it sends spam mails with large sized large images one after another. As a result of this, the requirements of the mail server system necessary for processing mails has increased to 334% compared with the previous year, and it is said that some companies cause the mail server to be shut down.