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Spam email

Updated 2021/06/26

 

Spam is the same concept as direct mail sent to your home post.
They get our email address from WWW pages, NetNews, etc.and the mail that they send indiscriminately in bulk to purchase their products and services is generally called "spam".

Spam is called as follows:

UCE：Unsolicited Commercial Email
UBE：Unsolicited Bulk Email

Spam has emails that try to insult readers.You need to know about spam so that you won't be fooled by such emails.

The following is a summary of what spam is like and what to do after receiving it.

 

Target persons All students, faculties and staff

 

 

 

Spam type・If you receive it・Something you can not do

 

Spam type The contents of spam If you receive it Something you can not do
Fictitious billing email

Unsolicited payment request emails.
"Please contact me now, it's very dangerous for security," or "It will be awful if you don't contact me now," but the content is the same as the threat email.

If you return a call or e-mail to the contact information written in the e-mail, you may be charged money such as a “due fee” or “indemnity”.

Delete

Ignore

・Do not reply to the email.
・Do not call the phone number written in the text.
・Do not let them know your personal information anymore.

This is a fraud.
There is no such thing as , "When I ignore it, they have really come to your home."Because this email has been sent thousands, it does not come to threaten one by one home just because there was no reply.

Pyramid Finance email

 An invitation email to a system in which the newcomers invite several child members each and the child members invite their grandchildren and the organization is expanded, and certain benefits are paid to the superiors who are the solicitation sources.

Delete


Ignore

・Do not reply to the email.
・Do not call the phone number written in the text.
・Don't let them know your personal information anymore.

In the case of e-mail from inside the university, please notify the department teacher or Center for Science Information, student office.

Advertisement email

 Advertising emails that violate the Specified Commercial Transactions Act, which are sent in a way that violates the following items.
・Correct source address
・"Unapproved ad" at the beginning of the subject line
・How to contact if you do not want to receive
・Company name, address, phone number etc.
・(Display “<business company>” at the beginning of the email text and then show their name / name / e-mail address)

Delete


Ignore

・Do not reply to the email.
・Do not call the phone number written in the text.
・Don't let them know your personal information anymore.

※If you open the HTML mail with the "WEB beacon" embedded, the sender will be informed that you opened the mail when the image is loaded.People using mailers that directly display HTML screens such as Outlook need to be careful.

Advertising email for

online dating sites

There are high quality marriage dating and free dating, but the dating site advertisement emails that are sent even though you have not requested the material are mostly from malicious dating sites.

Malicious is a website that violates the law, such as social support or prostitution organizations.

Delete


Ignore

 ・Do not reply to the email.
・Do not call the phone number written in the text.
・Don't let them know your personal information anymore.

Advertising email for

adult content sites

 An email with the URL of an adult site will be sent, and if you click on the URL accidentally (or at interest) and connect, it will be treated as "registration complete" and you will be charged a large registration fee .

Delete


Ignore

・Do not reply to the email.
・Do not call the phone number written in the text.
・Don't let them know your personal information anymore.

As soon as you open the website (access), it is treated as "registration complete" and you may be charged a large registration fee.

Personal fake email

 "E-mail address has been changed", as if it faked a friend and sent an e-mail.
You should judge as spam mail what contents of "Please reply" and "Access this URL" .  If you make a false reply, you will receive a promotional email from a dating site or an adult site.

Delete


Ignore

・Do not reply to the email.
・Do not call the phone number written in the text.
・Don't let them know your personal information anymore.

Emails such as "Finding friends by email, please reply ♪" are disguised as individuals.If you reply to this email, you will receive a promotional email from online dating sites.

 

 

 

To stop receiving spam emails

 

Unfortunately there is no definitive way to get rid of spam .
For mobile phone email addresses, there is a way to change the email address frequently.But, You can not change the e-mail address given by Center for Science Information.
Although not very realistic, in order not to further increase the number of spams, there are the following methods as a minimum measure.

  • Never reply to spam emails.
  • Do not access URLs written in spam.
  • Do not write email addresses on other websites.
  • Do not write your email address on your homepage.
  • Tell your email address only to close people.
  • Prepare an alias address (email address that can be discarded anytime).

 

 

 

Why is spam sent to you

 

It arrived because the email address that spam senders sent in large numbers happened to have your address.

Find out why you've received spam to your email address that you did not tell.

 

  • An e-mail address created by mechanical combination of letters happened to be your e-mail address.
  • Your e-mail address written on the homepage or bulletin board (BBS) is automatically collected by the address collection robot.
  • What filled out an e-mail address in a questionnaire such as a website leaks for some reason
  • E-mail addresses that have been leaked in the above manner by fraudsters are sold and bought and spread
     

 

 

Spam is a criminal act

 

In July 2002, the Ministry of Internal Affairs and Communications "Specific Email Act (the Act on the Proper Transmission of Specific Email)" and the "Modified Specific Commerce Act" by the Ministry of Economy, Trade and Industry were enacted. And the offender was sentenced to jail and fines.

 
Spam measures (Ministry of Internal Affairs and Communications)
http://www.soumu.go.jp/joho_tsusin/top/m_mail.html 

Spam measures (the police department)
https://www.keishicho.metro.tokyo.jp/smph/kurashi/cyber/law/spam_mail.html 
※ Links are subject to change without notice.