Can someone with Cyrus IMAP give examples of the file-name metadata.
I know Paul already replied to you, but SINCE I had just looked at that
code for Cyrus-IMAPd I figure it might be useful information.
Mailboxes (or folders if you prefer) consist of individual messages stored
in files in the format "<UID>.". There are a bunch of databases using
a format called "twoskip" that contain various bits of message metadata.
Also, I belive that Cyrus-IMAPd would get very unhappy if you tried to
manipulate it's message store behind its back.
The web page that Paul posted in his reply to you has a very good
description of how Dovecot uses Maildir; some metadata stored in the
filename are the file's size (to avoid a stat() call), the RFC822 size
(if, for example, the file is stored with Unix line endings), and IMAP
keywords.
--Ken
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