when i try to access a shared mailbox the logfile shows me this and access isn't possible
Jun 15 19:38:57 imap(michael@bigmichi1.de): Error: mdbox
/srv/vmail/mail/bigmichi1.de/familie/mailboxes/INBOX/dbox-Mails:
Invalid dbox header size: 0
Jun 15 19:38:57 imap(michael@bigmichi1.de): Warning: fscking index
file
/srv/vmail/indexes/shared/bigmichi1.de/michael/shared/familie@bigmichi1.de/storage/dovecot.map.index
Jun 15 19:38:57 imap(michael@bigmichi1.de): Warning: mdbox
/srv/vmail/mail/bigmichi1.de/familie/storage: rebuilding indexes
doveconf -n
# 2.2.2 (30f00db1a8b0): /etc/dovecot/dovecot.conf
# OS: Linux 3.8.0-25-generic x86_64 Ubuntu 13.04 ext4
auth_mechanisms = plain login
debug_log_path = /var/log/dovecot/debug.log
dict {
acl = pgsql:/etc/dovecot/dovecot-dict-sql.conf.ext
expire = pgsql:/etc/dovecot/dovecot-dict-sql.conf.ext
quota = pgsql:/etc/dovecot/dovecot-dict-sql.conf.ext
}
first_valid_gid = 8
first_valid_uid = 8
info_log_path = /var/log/dovecot/info.log
last_valid_gid = 8
last_valid_uid = 8
log_path = /var/log/dovecot/error.log
mail_debug = yes
mail_gid = 8
mail_location =
mdbox:/srv/vmail/mail/%d/%n:INDEXPVT=/srv/vmail/indexes/private/%d/%n:INDEX=/srv/vmail/indexes/shared/%d/%n
mail_plugins = quota zlib acl expire virtual
mail_uid = 8
mailbox_list_index = yes
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope
encoded-character vacation subaddress comparator-i;ascii-numeric
relational regex imap4flags copy include variab
les body enotify environment mailbox date ihave imapflags notify
mdbox_preallocate_space = yes
mdbox_rotate_size = 10 M
namespace {
list = children
location =
mdbox:/srv/vmail/mail/%%d/%%n:INDEXPVT=/srv/vmail/indexes/private/%d/%n/shared/%%u:INDEX=/srv/vmail/indexes/shared/%d/%n/shared/%%u
prefix = Shared/%%u/
separator = /
subscriptions = no
type = shared
}
namespace inbox {
inbox = yes
location =
mailbox Archive {
auto = subscribe
special_use = \Archive
}
mailbox Drafts {
auto = subscribe
special_use = \Drafts
}
mailbox Sent {
auto = subscribe
special_use = \Sent
}
mailbox Spam {
auto = subscribe
special_use = \Junk
}
mailbox Trash {
auto = subscribe
special_use = \Trash
}
mailbox virtual/All {
auto = subscribe
special_use = \All
}
mailbox virtual/Flagged {
auto = subscribe
special_use = \Flagged
}
prefix =
separator = /
type = private
}
namespace virtual {
location =
virtual:/srv/vmail/virtual:INDEXPVT=/srv/vmail/indexes/private/%d/%n/virtual:INDEX=/srv/vmail/indexes/shared/%d/%n/virtual
prefix = virtual/
separator = /
}
passdb {
args = /etc/dovecot/dovecot-sql.conf.ext
driver = sql
}
plugin {
acl = vfile:/srv/vmail/acl:cache_secs=300
acl_anyone = allow
acl_shared_dict = proxy::acl
expire = Trash 7 Trash/* 7 Spam 30
expire_dict = proxy::expire
quota = dict:User quota::proxy::quota
quota_warning = storage=95%% quota-warning 95 %u
quota_warning2 = storage=80%% quota-warning 80 %u
quota_warning3 = -storage=100%% quota-warning below %u
sieve = /srv/vmail/sieve/%d/%n/.dovecot.sieve
sieve_default = /srv/vmail/sieve/default.sieve
sieve_dir = /srv/vmail/sieve/%d/%n/
sieve_extensions = +notify +imapflags
sieve_global_dir = /srv/vmail/sieve/global
}
postmaster_address = postmaster@bigmichi1.de
protocols = " imap sieve"
service auth-worker {
user = $default_internal_user
}
service auth {
unix_listener /var/spool/postfix/private/auth {
group = postfix
mode = 0666
user = postfix
}
unix_listener auth-userdb {
group = mail
mode = 0666
user = mail
}
}
service dict {
unix_listener dict {
group = mail
mode = 0660
user = mail
}
}
service managesieve-login {
inet_listener sieve {
port = 4190
}
}
service quota-warning {
executable = script /usr/local/bin/quota-warning.sh
unix_listener quota-warning {
user = mail
}
user = dovecot
}
ssl_cert =