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【Android】I would like to know how to report spam emails received in my au email address

You can report spam emails using the "Spam Email Reporting Function" [迷惑メール報告機能] in the au Email app.

If you are receiving a huge number of spam emails from the same domain, we recommend using the spam filter's block list setting.

For details, please refer to the information below.

Important note

Please note that we cannot answer questions regarding whether there are regulations based on the information you have provided.

The information that you are requested to provide

In order to strengthen regulations on spam e-mails, KDDI requests your cooperation in providing information about spam emails.

Please provide information about unwanted or distasteful emails sent from our domains (such as @au.com, @△△.au.com, @ezweb.ne.jp, @△△.ezweb.ne.jp) and emails sent to our domains.

Regarding the use of provided information

The information you provide will be used to strengthen the "Automatic Spam Control" [迷惑メールおまかせ規制] feature of au's spam filter.
The information you provide may be provided to the Ministry of Internal Affairs and Communications, the Ministry of Economy, Trade and Industry, and other relevant organizations in order to implement measures required by law.

Please also note that in order to share information for the purpose of effective countermeasures, we may disclose your information to third parties such as other mobile phone/PHS carriers and companies affiliated with spam filtering.

How to report

Use the "Spam Email Reporting Function" [迷惑メール報告機能]

Click
here
for the steps for models released after the winter 2017 (for au Email app users) (in Japanese only)

Click
here
for the steps for models released before the summer of 2017 (for Email app users) (in Japanese only)
Use the blocked senders list in the spam email filter

By registering the domain or email address of the received spam emails in the spam filter's block list' and agreeing to use the blocked emails to improve the spam detection rate, you can automatically provide information about the blocked emails to KDDI. If you are receiving a huge number of spam mails from the same domain, we recommend this method.

Click
here
for instructions on how setup blocking list (in Japanese only)

For your reference

We do not accept information regarding incorrect emails or defamatory emails.
We cannot respond to individual emails.
We will not be able to accept information forwarded from computers and devices other than smartphones and tablets.
Please note that the cost of sending an email to provide information will be borne by the customer.

Has your problem been solved?

All of the indicated amounts exclude tax unless otherwise specified.