Info Node: (efaq)Rmail thinks all messages are one big one
(efaq)Rmail thinks all messages are one big one
Why does Rmail think all my saved messages are one big message?
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A file created through the `FCC' field in a message is in Unix mail
format, not the format that Rmail uses (BABYL format). Rmail will try
to convert a Unix mail file into BABYL format on input, but sometimes it
makes errors. For guaranteed safety, you can make the `saved-messages'
file be an inbox for your Rmail file by using the function
`set-rmail-inbox-list'.