Unsolicited Bulk E-mail Policy

Asahi Net, Inc.

Asahi Net Inc., believes that unsolicited bulk e-mail (spam) is detrimental to the healthy development of the Internet community and enjoyment of those using the Internet, and is taking the following measures to combat it.

Definition of Unsolicited Bulk E-mail

Asahi Net considers mail listed below to be unsolicited bulk e-mail.

  • Mail received without prior notice containing advertisements, propaganda or solicitations.
  • Mail soliciting the receiver to join pyramid schemes.
  • Mail promoting the spread of false rumors (chain letters).
  • Mail making groundless claims for money.
  • Mail trying to extract personal information from the receiver.
  • Mail transmitted in large quantity that causes excessive burden to this company's systems or third parties systems.
  • Mail of malicious content sent from a another person's email address.
  • Mail of malicious content sent from an invalid email address.
  • In addition, mail that gives the receiver discomfort.


Based on the Telecommunications Service Law and preserving the secrecy of communications while abiding by regulations prohibiting censorship, the following measures have been implemented to reduce the amount of unsolicited bulk email.

Blocking of mail determined by the member to be unwanted

Asahi Net's SpamBlock service gives members the ability to create filters to block unwanted email.

Blocking the receipt of bulk email

The sending of spam is forbidden by Asahi Net's Individual Member Service Agreement and Business Service User Agreement. Members found to be infringing these membership agreements will have their service stopped and steps will be taken to terminate their membership.

Blocking receipt of mail with invalid sender's addresses

The domain portion of the sender's mail address is inspected at the time of receipt and mail blocked if the domain does not exist.
>> Blocking Receipt of Mail with Invalid Sender's Address

Outbound Port 25 Blocking

Outbound Port 25 Blocking is a measure to prevent the intentional or unintentional sending of bulk unsolicited email through an Internet provider's Outgoing email server.
>> Outbound Port 25 Blocking

[September 2006]

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Thank you for visiting the [Unsolicited Bulk E-mail Policy] page of Asahi Net, the Internet provider.
Asahi Net is a leading Internet Service Provider (ISP) based in Japan. We started our operation in 1990 and now offer broadband fiber-optic, mobile broadband services as well as many optional services throughout Japan. We have been ranked no.1 for customer satisfaction for 10 years running and have been providing English signup and support since 1996.
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