I know there are great diaries floating around about the "Lost" White House emails, but I'm going to chime in anyway.
You can understand how email systems operate without having a detailed understanding of SMTP, IMAP and POP. The beauty of the Internet is that all the systems out there ensure redundancy and recoverability if they are set up by professionals with any skills at all. A very simple email infrastructure has several components: a mail client (pine, Eudora, Outlook, Blackberry, etc.), a mail server (qmail, sendmail, Exchange, Lotus Notes, etc.), and the multitude of equipment and servers that support the Internet (routers, MX servers, switches).
Read More