Dear HeroNet Customers, Thank you for your patronage. Due to mail server maintenance, HeroNet E-mail service will be unavailable momentarily during the time period below. Date: May 22, 2019 15:00 ～ 17:00 Affected users: Customers who use HeroNet E-mail service (@heronet.ne.jp) Affected services: E-mail (@heronet.ne.jp) *The mail service will stop momentarily during the time period. *E-mails on the server will be delivered after the maintenance. If you have any questions or concerns, please contact us. We apologize for any inconvenience this may cause and we thank you very much for your understanding and cooperation.