xfer problems between 2.3.15 and 2.4.17

gavin.gray at ed.ac.uk gavin.gray at ed.ac.uk
Tue Jun 10 12:31:52 EDT 2014


this fix, detailed below, has indeed solved our problem with folder 
creation on our new 2.4.17 frontends.

many thanks

On Tue, 10 Jun 2014, Andrew Morgan wrote:

> On Tue, 10 Jun 2014, gavin.gray at ed.ac.uk wrote:
>
>>  Hi Wes,
>>
>>  It looks like the whole mupdate thing is working perfectly well.
>>  If I create a folder while connected to my 2.4.17 frontend then the logs
>>  show the backend issuing the cmd_set and then a bunch of cmd_find going
>>  out including to the frontend in question. Furthermore the new folder
>>  really is there in the mailboxes.db on the frontend. So in a way that's
>>  reassuring, but then why is the frontend telling email clients that the
>>  folder doesn't exist when a request to subscribe to it comes in? We aren't
>>  seeing any kick_mupdate getting logged.
>
> I'm pretty sure your problem is that you have the proxyservers variable set 
> in imapd.conf on your frontend.  See this message from the archives:
>
>  http://asg.andrew.cmu.edu/archive/message.php?mailbox=archive.info-cyrus&searchterm=Murder%20mailbox%20create%20race%20condition&msg=54193
>
> I ran into this same problem, which was introduced by changes in v2.4.13. The 
> imapd.conf manpage says:
>
>   proxyservers: <none>
>        A list of users and groups that are allowed to proxy for  other
>        users,  separated  by
>        spaces.  Any user listed in this will be allowed to login for any
>        other user: use with
>        caution.  In a standard murder this option should ONLY be set on
>        backends.  DO NOT SET
>        on frontends or things won't work properly.
>
> Let us know if removing proxyservers from your frontends fixes the problem!
>
> 	Andy
>
>
>

Gavin Gray
Edinburgh University Information Services
Rm 2013 JCMB
Kings Buildings
Edinburgh
EH9 3JZ
UK
tel +44 (0)131 650 5987
email gavin.gray at ed.ac.uk

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