[Dovecot] Segfault when opening a public folder, dovecot 1.1 beta4

[Timo Sirainen]

On 27.10.2007, at 21.51, Adam McDougall wrote:

>   But the real problem is that dovecot-shared file is owned by a group
>   that your imap process doesn't belong to. You probably want to  
> add it to
>   mail_extra_groups.
>
> I want to avoid adding a group to any user that logs in because  
> some of them
> are in many groups already and it might push them over the limit  
> that FreeBSD
> allows, then they cannot login at all.

If you don't need the other groups in Dovecot you can get rid of them  
and just have the process use the user's primary group and  
mail_extra_groups. I think this should work:

userdb passwd {
   args = system_user=
}

> With some recent permission changes I've
> done (affects dovecot 1.0 as well), I get a good amount of these  
> fchown errors
> and I was thinking of muting them so they do not fill my log, since  
> they are harmless
> in my setup.

If these errors happen for index files Dovecot currently fallbacks to  
using in-memory indexes.

> Right now in my public folder permission scheme, the only thing I need
> dovecot-shared for (I think) is making client-added emails world- 
> readable at least
> (currently actually mode 666).  As long as the indexes are  
> accessible by the user,
> I don't care what mode or group they are.

How about this: http://hg.dovecot.org/dovecot/rev/0dd9b91fd52c

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