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On Thu, 15 Apr 2010, Sven wrote:
i want to move mails from some specific imap folder to some other folder on
the filesystem to precess them further more.
but maybe i want to copy the mail and then set the seen flag.
i think both can be done via imap,
but maybe i want to add some tag/keyword, text or attachment from some
processing skript with processing informations
thinks getting more complex ...
In IMAP storage messages are immutable, per spec. That means: You cannot
transparently change the content of a message, e.g. add/remove headers or
(parts of) the body, once the message has been delivered.
If you do it the IMAP way, each manipulated messages (I mean the content,
not the keywords/tags/flags) becomes a new message, hence, the clients
might download it again.
If you keep that in mind, you can successfully manipulate the content of
messages in Maildir by:
1) rename message somewhere else,
2) manipulate it
3) rename it to maildir_mailbox/tmp
4) adjust access permissions
5) rename it to maildir_mailbox/new or ../cur
making sure the file gets a new filename stem (part of filename before the
colon) than it had originally.
If a new file pops up in cur/new, Dovecot assumes a non-Dovecot delivery
and re-indexes the file next time the user accesses the mailbox.
To manipulate the flags I would use PREAUTH.
You can savly remove files from a Maildir.
Regards,
- --
Steffen Kaiser
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