[Dovecot] Mailbox consistency with multiple clients

[Timo Sirainen]

Did downgrading help? I've still no ideas why it would have been doing
that with v1.1..

On Tue, 2008-09-23 at 08:24 +0100, Yates Ian Mr (ITCS) wrote:
> I'm confused by this as well.
> 
> Additionally with 1.1.3 we were getting lots of reports of people
> deleting/moving items from their inbox and the items remaining in the
> inbox?!  Also read items not being marked as read.  Both of these are
> from squirrelmail, which as you say should be impossible as squirrelmail
> logs in, performs the operation and logs out.
> 
> We aren't using any kind of IMAP proxy.
> 
> We are using the dovecot index files.
> 
> As I said before, this was not a problem when we were using dovecot
> 1.0.8.  In an effort to resolve this I will be downgrading to 1.0.8 this
> morning, I'll let you know if this sorts out the problems!
> 
> I.
> 
> >-----Original Message-----
> >From: dovecot-bounces+i.yates=uea.ac.uk at dovecot.org 
> >[mailto:dovecot-bounces+i.yates=uea.ac.uk at dovecot.org] On 
> >Behalf Of Timo Sirainen
> >Sent: Monday, September 22, 2008 9:02 PM
> >To: Dovecot Mailing List
> >Subject: Re: [Dovecot] Mailbox consistency with multiple clients
> >
> >On Thu, 2008-09-18 at 12:06 +0100, Yates Ian Mr (ITCS) wrote:
> >> There's a mix of the following:
> >> 	Outlook
> >> 	Outlook express
> >> 	Thunderbird
> >> 	Squirrelmail (webmail)
> >> 
> >> But we tried getting the users sharing the account to use just one 
> >> client (squirrelmail) and they were still reporting the problem?!
> >> 
> >> I forgot to say that they were working this way with no problems on 
> >> dovecot 1.0.2 but since the migration to 1.1.3 we've had 
> >this problem.
> >> 
> >> In an effort to help the situation I changed the following settings 
> >> from the original, from enabling lazy writes to disabling:
> >> mbox_dirty_syncs: no
> >> mbox_lazy_writes: no
> >
> >As long as you're using Dovecot's index files, these should 
> >make no difference. Do they?
> >
> >I find this problem really weird. If you're using a shared 
> >account, it's exactly the same as if there were just a single 
> >user using multiple clients. Or in Squirrelmail case the same 
> >as if the same user was logged in multiple times with 
> >different web browsers. And in Squirrelmail case it connects, 
> >does something for a short time and disconnects. Dovecot 
> >doesn't even know if there are different users using it. So if 
> >it shows different views for different users, then the exact 
> >same thing should be happening also randomly to the same user 
> >even if s/he's the only one logged in.
> >
> >Are you using any kind of an IMAP proxy?
> >
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