Mail and Discord commands

Command	Action
/mail	Open your mail.
/mail claim <id> <option>	Claim a reward delivery using the choices shown in your mail.
/discord link <code>	Complete account linking with a code from Discord.
/discord unlink	Unlink your account.
/discord dms on, /discord dms off	Change Discord DM notifications.

For Discord-side commands and linking steps, see Discord and chat and mail.