A simple Mail Register form for keeping track of your pen-pals, mail swaps, letters to Grandma, whatever you want 🙂  There are two pages – Page 1 is for Outgoing Mail, Page 2 for Incoming. Each has an extra column for marking when a reply has been sent or received.

Download the Mail Register – A4 PDF

UPDATE:
Paperbased Mail Register – A4 2 per page PDF
(Print to A4 and then cut in half to fit A5 organisers etc)