Mail

= About "Mailbox" (メールボックス) =

Email expiration date

 * Mails without attachments will be automatically deleted at 00:00 on the 7th day from the date of receipt.
 * Mails with attachments will be automatically deleted at 00:00 on the 7th day after receiving the contents of the attachment. (It will not be deleted until you receive the containing attachment)

Mailbox capacity

 * The mailbox can store up to 300 mails. If you exceed 300 mails, the oldest mails will be automatically deleted. If the automatically deleted mail is an mail with an attachment, the contents of the attachment will be automatically received.

"Read all"・"Delete read" (全て読む・既読削除)

 * Click "Read All" to mark all unread mails as read and automatically retrieve the contents of all attachments.
 * Click "Delete Read" to delete all read mails.