Today at school i had a random idea, a mailing system for RP's and other games
The way it works-
so there is 2 ways to send mail
You make a post office or a little drop box and you click it and a pop up says Send Mail? and Check inbox then it has a number of letters/messages you have. Ex. Inbox(2) then the person who you sent it to has a box that says you have a message and the person can go and pick it up and read it
The second way is for houses you plant a brick that is a mailbox, same concept click, check inbox or send mail then i goes the the other persons mail box
or you can have a mixture of the 2, if you have a mail box but the other doesnt you can send it to the post office for him to pick up or the other way around
For sending mail, i made a little drawing
This should pretty much explain it thanks