Multiple item slots in mail?

Ok, so this suggestion does not affect any mechanics of the game or mess with any of the numbers any character does or whatever.
Is it possible to implement a mailbox with multiple item slots?
Inb4, "It's not blizzlike sadgshir4pwasdhvbkrgowajfbutthurt."
Is it possible to implement a mailbox with multiple item slots?
Inb4, "It's not blizzlike sadgshir4pwasdhvbkrgowajfbutthurt."