Want to Filter Spam Email

This page gives you brief information on spam email and how to filter them by using Spam Filtering Service.

What is spam email?

Spam email (or spam, also called unsolicited email) is unwanted junk email sent out to recipients.
Mostly, spam email is indiscriminately sent out in bulk.
Spam email bothers you by making you delete such email when receiving it, and there are cases where the spam you receive contains malicious contents such as phishing scam.

Spam email includes the following:

  • Ads for porn website, dating website, illegal software, etc.
  • Ads for porn website, dating website, illegal software, etc.
  • Phishing scam (steals your personal information by making you enter your information in a website)
  • Spoofed email which makes you trust by impersonating your friend
  • Chain mail for spreading misinformation

We strongly recommend you to delete spam email. Do not reply to spam because by doing so, you will let the sender know that the address is valid, and what is worse, it may inflict further damage on you.

Filter spam email by using the Spam Filtering Service

You can filter spam email sent to your Asahi Net email address by using the Spam Filtering Service, a free optional service.

We recommend using the service to improve of your internet experience by filtering incoming spam email.

Block all email with Reject Email Sent to Default Addresses Service

You can block all email sent to your Asahi Net ID (ID@asahi-net.or.jp) by setting up the Reject Email Sent to Default Addresses Service.

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