[Dovecot] great disappearing email mystery

[Scott Silva]

on 2-12-2009 3:31 PM Maarten Bezemer spake the following:
> 
> On Thu, 12 Feb 2009, Scott Silva wrote:
> 
>> on 2-12-2009 10:35 AM Maarten Bezemer spake the following:
> 
>>> Outlook DOES store some kind of cache of IMAP mail in a PST. And that
>>> PST is always located in the Local Settings directory, regardless of
>>> your system-wide default location of PSTs.
>>> I don't know what happens when this cache PST reaches its 2GB limit...
>>>
>> It would take a LOT of messages to cache 2 GB of headers.
> 
> I've seen users with about 1GB worth of Maildir folders and some 800MB
> of IMAP cache PST. So it might not be headers only in there...
> 
>>> (Running the etch-backports 1.0.15 version of dovecot-imapd currently)
>> 1.1 seems to be slightly better with Outlook, or at least my Outlook
>> users
>> haven't been complaining as much. They could be resolved to the fact
>> that it
>> just doesn't work very well. You won't find it in any Debian repo that
>> I know of.
> 
> I can see 1.1.9-1 in Experimental, but nog even in Unstable yet. So I'm
> not ready to try it on production machines.
> 
> The 'missing mail' in the 'hide messages marked for deletion' setting
> seems to be persistent. Closing Outlook for the night and then
> restarting it in the morning still doesn't show the messages although
> they still are there on the server and also visible normally in webmail.
> (Using imap all the way, I don't recall if I mentioned that explicitly).
> Strangest thing about this is that it only seems to happen when an email
> is read first through webmail. Not always, only just once every few weeks.
> Possible something in the headers or flags triggers some weirdness in
> Outlook, making it believe the message is marked for deletion.
> 
>> Do you have outlook-idle set in the config file for pop3 and IMAP?
> 
> Not using pop3 at all, but outlook-idle is set for the imap protocol.
> 
> Regards,
> Maarten
> 
I just found this;
http://pubs.logicalexpressions.com/pub0009/LPMArticle.asp?ID=736
I guess Outlook 2003 introduced a newer version of the PST files that has a
20GB (twenty GB ) limit, but they have to be created with 2003, and they are
not backward compatible.

-- 
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 258 bytes
Desc: OpenPGP digital signature
Url : http://dovecot.org/pipermail/dovecot/attachments/20090212/a1a5e823/attachment.bin