The E-Mail is required so you can reset your password, in case you forget it.
メールアドレスは削除されました。このパネルからのメールは送信されません。
Except, if you opt-in on information services in Settings, like notifications, when a new player requests membership for your team, and you are a team admin.
After registration, you will receive an E-Mail. Confirm your E-Mail, by klicking on the link in the E-Mail, before you try to login.
PayPal経由で支払う。 PayPalアカウントをお持ちでない場合は、クレジットカードでお支払いいただけます。
The E-Mail can take up to a minute to arrive in your inbox, because the E-Mail Service that is used, is for free. (SendGrid)