Asahi Net sends email with helpful information to members on a regular basis for free. There are two types of subscription email.
Support News: Information on maintenance/outages of connection services and server, security-related topics, etc.
Notice from Asahi Net: Information on new services and good deals.

• If you have more than one contract and the same contact address is registered for all the contracts, you will receive email as many as the number of contracts.
• Important notices from Asahi Net regarding your contract will be sent to you regardless of the subscription setting.