- The mailbox is where you can check various event rewards and announcements.

- You can find it by clicking the mailbox icon under the settings menu in the upper right menu of the lobby.

- Yes, click the 'Claim All' button at the bottom right of the mailbox to claim all unreceived rewards.

- Click the 'Delete All' button at the bottom left of the mailbox to delete

- Each mail has a collection period, and mail that has expired will be automatically deleted. We recommend claiming your mail rewards as soon as possible.

- You can receive up to 100 mails in the mailbox. Once the limit is reached, no additional mail can be received. We recommend checking and claiming your mail promptly.