Permission denied to access the email file

[ATHANASE Jean-René]

Hi,

Dovecot version : 2.2.22 (fe789d2)
Operating system :
     DISTRIB_ID=Ubuntu
     DISTRIB_RELEASE=16.04
     DISTRIB_CODENAME=xenial
     DISTRIB_DESCRIPTION="Ubuntu 16.04.2 LTS"
CPU architecture : Linux 4.4.67-1-pve #1 SMP PVE 4.4.67-92 (Fri, 23 Jun 
2017 08:22:06 +0200) x86_64 GNU/Linux
FIle system : local

UID    GID
Aug 17 11:47:28 azizee dovecot: imap(jra11[*5063*:*5011*]): Debug: 
Effective uid=5063, gid=5011, home=/var/spool/domaines/vitalnet/jra/
Aug 17 11:47:28 azizee dovecot: imap(jra11[5063:5011]): Debug: Namespace 
inbox: type=private, prefix=, sep=, inbox=yes, hidden=no, list=yes, 
subscriptions=yes location=maildir:/var/spool/domaines/vitalnet/jra/
Aug 17 11:47:28 azizee dovecot: imap(jra11[5063:5011]): Debug: 
maildir++: root=/var/spool/domaines/vitalnet/jra, index=, indexpvt=, 
control=, inbox=/var/spool/domaines/vitalnet/jra, alt=
Aug 17 11:47:28 azizee dovecot: imap(jra11[5063:5011]): *Error*: 
open(/var/spool/domaines/vitalnet/jra/cur/1502890181.V704I34050fM371072.azizee:2,) 
failed: *Permission denied* (euid=*5063*(<unknown>) 
egid=*5011*(<unknown>) missing +r perm: 
/var/spool/domaines/vitalnet/jra/cur/1502890181.V704I34050fM371072.azizee:2,)

Ldap configuration :
   user_attrs = 
uid=user,userPassword=password,homeDirectory=home,uidNumber=uid,gidNumber=gid

ll 
/var/spool/domaines/vitalnet/jra/cur/1502890181.V704I34050fM371072.azizee\:2\,
-rw------- 1 5095 5011 438 Aug 16 15:29 
/var/spool/domaines/vitalnet/jra/cur/1502890181.V704I34050fM371072.azizee:2,


If I set with the command line "chmod g=rw 
/var/spool/domaines/vitalnet/jra/cur/1502890181.V704I34050fM371072.azizee\:2\,", 
this file email is treated by Dovecot, per example, i have deleted it.

ll 
/var/spool/domaines/vitalnet/jra/cur/1502890181.V704I34050fM371072.azizee\:2\,ST 

-rw-rw---- 1 5095 5011 438 Aug 16 15:29 
/var/spool/domaines/vitalnet/jra/cur/1502890181.V704I34050fM371072.azizee:2,ST

What's the problem of my configuration ?

Best regards,