Mailverse Creation (Terms and service)

Creation
The character must either be a Mailbox or have a Mail form.

Terms about creation
Other than that, The Mailverse is free for mail!
 * Character is at least 9-C or higher
 * Mailbox or Mail form
 * If it's tier is higher than 2-C, than it is Non-Cannon due to being so strong.
 * Needs to be at least somewhat not nonsensical
 * Needs Mail powers