86% of e-mail on the net is spam

According to the aggregation of a company called Postini, 86% of the 25 billion e-mails handled in May was actually spam mail, or so-called spam mail.

In addition, the spam action using Messenger has also increased sharply, it is said that it has increased by 500% compared with last month.

Details are as follows.
Technology News: Security: Report: Spam Accounts for Most E-Mail Traffic

It seems that there is such a thing in Japan.

Junk mail consultation center top page | Japan Data Communications Association
http://www.dekyo.or.jp/soudan/top.htm

Provide information on violation e-mail | Spam mail consultation center |
http://www.dekyo.or.jp/soudan/3ihanmailuketuke.htm

You can forward two report methods to meiwaku @ dekyo.or.jp or contact us from the form below.

Information provision form (breach of obligation to display)
https://www.dekyo.or.jp/soudan/meiwakuform.html

I do not know how much effect it is, but there are cases where a contractor who sends a spam once was arrested.

First stop order for spam operators(METI / Ministry of Economy, Trade and Industry: PDF file)

In addition, forgery addresses were used as sender of the advertisement mails, and header information was also tampered with, so that the recipients did not know the sender of the advertisement mails. The company's employees or part-time employees are sending advertisement mails on a 20-hour day basis, about 400,000 a day and about 12 million messages per month in a month.

It is unimaginable work, probably semi-automated ... ...