On Oct 28, 2009, at 11:04 PM, Elaine Zablocki wrote:
I'm using Eudora, and one reason I'm using Eudora is that each email folder has its own file on my hard drive. I back up that drive every few days to an external drive. If there's a failure, at most I lose a few days' email.
Modern email clients store either one email in one text file or one email folder in one text file. The one email folder in one text file method appends new emails to the end of the file with a separator mark between each email. Lately the one email folder in one text file is preferred because, with fewer files to open, it is more efficient. These methods are all variations on what is called MBOX format. The only exception to this sensible approach (that I know of) is M$ whose email clients put everything in one huge and fragile database. This is a variation on a method known as dumdum.
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