Re: ACL on root mailbox

2020-02-07 Thread Paolo Cravero
Hello Albert.

> I would like to known what kind of ACL you give on a shared mailbox. My
> problem is :
> 
>   I have some users who are admin on the mailbox, it's needed because those
>   admin-user can create sub folder.
> 
>   But some user make mistake time to time and move the mailbox under some
>   other mailbox

[...]

> So how can I give enough rights to someone to let he manage their mailbox
> but prevent this kind of wrong manipulation.

See 
https://www.cyrusimap.org/imap/reference/admin/access-control/rights-reference.html
 for an explanation of ACL levels.

I think "lrswc" could do in your case, for non-admin users. You may add "i" 
and/or "t" and "e", depending on the way they operate on the shared mailbox 
(copy mails into | delete mail from the folder).

Greetings,
Paolo

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Re: squatter segfaulting

2020-02-07 Thread Paolo Cravero
Hello.

> Vanilla Cyrus, no Xapian. I don't know how to run a debug-enable, I only know 
> the basics :/
> 
> ii  cyrus-imapd   2.5.10-3+deb9u1
> amd64Cyrus mail system - IMAP support
> 

There seems to be an open issue: 
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=871921

I've seen squatter segfaulting when the index file got too large (in an older 
Cyrus version). Can you check how large it is? How many messages are in the 
mailbox/folder causing the crash?

How about system's ulimit? Can the cyrus user open enough files?

Paolo

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