dovecot - Jun 2008 - How to set MDNSent flag on a large amount of mails?

Hi,

after having moved a big mail archive to IMAP, I've now got the following
problem: The MUA asks to send an MDN on all those old messages that contain
the 'Disposition-Notification-To' header when opened. I'd like to
set the
$MDNSent flag on those (>10000 in a deeply nested directory structure)
mails.

After having read http://wiki.dovecot.org/MailboxFormat/Maildir I wrote a
script that changed the filename of mails in all directories that contained
the header, so that the filename contained a 'b' in the last part of the
filename (after the comma), because I found '1 $MDNSent' in
Maildir/dovecot-keywords. I then discovered that there can be a
'dovecot-keywords' file in each directory, and all of those files can
have
different flags in different order.

Do I really need to write a script that evaluates each dovecot-keywords
file, figures out which letter corresponds to the flag and rename the files
(per directory) accordingly? Isn't there a more simple way?

Patrick.

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On Wed, 2008-06-04 at 00:33 +0800, Patrick Nagel wrote:
> after having moved a big mail archive to IMAP, I've now got the
following
> problem: The MUA asks to send an MDN on all those old messages that contain
> the 'Disposition-Notification-To' header when opened. I'd like
to set the
> $MDNSent flag on those (>10000 in a deeply nested directory structure)
> mails.
..
> Do I really need to write a script that evaluates each dovecot-keywords
> file, figures out which letter corresponds to the flag and rename the files
> (per directory) accordingly? Isn't there a more simple way?
How about making your script use IMAP protocol?

1 list "" *
2 select <each mailbox>
3 uid search header Disposition-Notification-To ""
4 uid store <search result as msgset> +flags $MDNSent

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Hi,

On Tue, 03 Jun 2008 19:37:50 +0300, Timo Sirainen <tss at iki.fi>
wrote:
> How about making your script use IMAP protocol?
> 
> 1 list "" *
> 2 select <each mailbox>
> 3 uid search header Disposition-Notification-To ""
> 4 uid store <search result as msgset> +flags $MDNSent
Thanks, Timo! Never thought of that :)

I'll give it a try tomorrow... netcat would be the bridge between my shell
and dovecot then, I guess?

Patrick.

-- 
STAR Software (Shanghai) Co., Ltd.            http://www.star-group.net/
Phone:    +86 (21) 3462 7688 x 826             Fax:   +86 (21) 3462 7779

PGP key:         https://stshacom1.star-china.net/keys/patrick_nagel.asc
Fingerprint:           E09A D65E 855F B334 E5C3 5386 EF23 20FC E883 A005