dovecot - Nov 2013 - UID order vs date order

Hi

i have recently moved a mailbox to dovecot and intend to use it via imap 
and i have run into a problem.

when i imported the mails apparently the UID order got reversed compared 
to the date order, result is that some clients like on android devices 
download the oldest mails instead of newest.
it is not so interesting to have several years old mail show up at the 
top of the mailbox.

is there any way of convincing dovecot to renumber the mails by date 
order instead?
i have tried  to delete the dovecot-uidlist and dovecont.index* files in 
an unimportant folder and the only thing that happens was that all of 
the mails got renumbered in the wrong order again (lower numbers but 
still same problem)

any advice?
i cant be the only one that have run into this.

Am 17.11.2013 11:20, schrieb Torbjorn Jansson:
> when i imported the mails

how did you did this ? from what server to what version of dove, what
mailbox format

meanwhile read i.e for possible solutions

http://wiki2.dovecot.org/Tools/Doveadm/Mailbox

Best Regards
MfG Robert Schetterer

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On 17 Nov 2013, at 03:20 , Torbjorn Jansson <torbjorn.jansson at
mbox200.swipnet.se> wrote:
> Hi
> 
> i have recently moved a mailbox to dovecot and intend to use it via imap
and i have run into a problem.
> 
> when i imported the mails apparently the UID order got reversed compared to
the date order, result is that some clients like on android devices download the
oldest mails instead of newest.
> it is not so interesting to have several years old mail show up at the top
of the mailbox.
> 
> is there any way of convincing dovecot to renumber the mails by date order
instead?
Probably the easiest solution is to figure out what you did in the import to
cause this and reimport the mails. Short of that, the only thing you can do
(assuming you are using Maildir, right?) is to get the date out of the mail and
rewrite the filename with the correct epoch timestamp.

It would be great if there was a way to use doveadm to do this, but short of
that you just have to fix it yourself. The good news is, with gnu date it?s
pretty simple.

 $ date --date='2013-11-17 01:23:45 +0700' +%s
1384626225
 $ gdate --date='November 17, 2013 01:23:45 +0700' +%s
1384626225
 $ gdate --date='17 Nov 2013 01:23:45 +0700' +%s
1384626225
> i cant be the only one that have run into this.
I had a similar problem, but I ignored it and as new mail came in, the problem
went away (mostly) on its own. :/


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