Pb with Dovecot and visble folders

4 Jul 2021

      Hi,
I've got a problem with my Dovecot installation.. Up to now, that was
working fine.but today
[root@mbox admin]# telnet localhost 143
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.

OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE
LITERAL+ STARTTLS AUTH=PLAIN] Dovecot ready.
a login azt000 xxxxxx
a OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT
SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT
MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS
LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES
WITHIN CONTEXT=SEARCH LIST-STATUS BINARY MOVE SNIPPET=FUZZY
PREVIEW=FUZZY LITERAL+ NOTIFY SPECIAL-USE QUOTA] Logged in
b list "" *
LIST (\NoInferiors \UnMarked) "/" ssss
LIST (\NoInferiors \UnMarked) "/" 2021-TEST
LIST (\NoInferiors \UnMarked) "/" 2015
LIST (\NoInferiors \UnMarked) "/" 2020-IT
LIST (\NoInferiors \UnMarked) "/" 2018-PERSO
LIST (\NoInferiors \UnMarked) "/" 2017
LIST (\NoInferiors \UnMarked) "/" 2020-MARKETING
LIST (\NoInferiors \UnMarked) "/" 2019-AZT
LIST (\NoInferiors \UnMarked) "/" 2019-ADMIN
LIST (\NoInferiors \UnMarked) "/" "2020- PERSO"
LIST (\NoInferiors \UnMarked) "/" sss
LIST (\NoInferiors \UnMarked) "/" 2019-COMPTA
LIST (\NoInferiors \UnMarked) "/" 2019-PERSO
LIST (\NoInferiors \UnMarked) "/" 2017-ADMIN
LIST (\NoInferiors \UnMarked) "/" 2016
LIST (\NoInferiors \UnMarked) "/" 2020-compta
LIST (\NoInferiors \Marked \Trash) "/" Trash
LIST (\NoInferiors \UnMarked) "/" Archives
LIST (\NoInferiors \UnMarked \Sent) "/" Sent
LIST (\NoInferiors \Marked \Junk) "/" Junk
LIST (\NoInferiors \UnMarked \Drafts) "/" Drafts
LIST (\NoInferiors \UnMarked \Sent) "/" "Sent Messages"
LIST (\NoInferiors \UnMarked) "/" INBOX/2021-AZT
LIST (\NoInferiors \UnMarked) "/" INBOX/2021-WebMEETING
LIST (\NoInferiors \UnMarked) "/" INBOX/2021-zezez
LIST (\NoInferiors \UnMarked) "/" INBOX/2021-PERSO
LIST (\NoInferiors \UnMarked) "/" INBOX/2021-MARKETING
LIST (\NoInferiors \UnMarked) "/" INBOX/2021-COMPTA
LIST (\NoInferiors \UnMarked) "/" INBOX/2021-ADMIN
LIST (\NoInferiors \UnMarked) "/" INBOX/2021-ATV
LIST (\NoInferiors \UnMarked) "/" INBOX/2021-test
LIST (\HasChildren) "/" INBOX
b OK List completed (0.016 + 0.000 + 0.015 secs).
*c lsub "" **
c NO [NOPERM] No permission to read subscriptions (0.001 + 0.000 secs).

If I understand correctly, lsub should see what is visible by the Email
client ?
How can I let all the folders visible ?
[root@mbox dovecot]# cat dovecot-new.conf
# 2.3.8 (9df20d2db): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.8 (b7b03ba2)
# OS: Linux 4.18.0-305.3.1.el8.x86_64 x86_64 CentOS Linux release
8.4.2105 nfs4
# Hostname: mbox1.aztgrp.net
auth_debug_passwords = yes
auth_username_format = %n
disable_plaintext_auth = no
login_trusted_networks = 177.18.0.0/16 127.0.0.1 ::1
mail_access_groups = mail
mail_fsync = always
mail_location =
mbox:/var/spool2/mail/%u:INBOX=/var/spool/mail/%u:INDEX=/var/indexes/%u:CONTROL=/var/spool/mail-control
mail_plugins = " quota"
mail_privileged_group = mail
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope
encoded-character vacation subaddress comparator-i;ascii-numeric
relational regex imap4flags copy include variables body enotify
environment mailbox date ihave
mbox_very_dirty_syncs = yes
mbox_write_locks = fcntl
namespace inbox {
inbox = yes
location =
mailbox Drafts {
auto = subscribe
special_use = \Drafts
}
mailbox Junk {
auto = subscribe
special_use = \Junk
}
mailbox Sent {
auto = subscribe
special_use = \Sent
}
mailbox "Sent Messages" {
auto = subscribe
special_use = \Sent
}
mailbox Trash {
auto = no
special_use = \Trash
}
mailbox virtual/All {
auto = no
special_use = \All
}
prefix =
}
passdb {
driver = pam
}
plugin {
quota_grace = 10%%
quota_max_mail_size = 100M
quota_rule = *:storage=10000M
quota_rule2 = Trash:Storage=+100M
quota_status_nouser = DUNNO
quota_status_overquota = 552 5.2.2 Mailbox is full
quota_status_success = DUNNO
quota_warning = storage=95%% quota-warning 95 %u
quota_warning2 = storage=80%% quota-warning 80 %u
sieve = file:~/sieve;active=~/.dovecot.sieve
}
pop3_uidl_format = %v-%u
service auth {
unix_listener auth-master {
mode = 0666
}
}
service dict {
unix_listener dict {
mode = 0600
user = mail
}
}
service imap-login {
inet_listener imap {
address = *
port = 143
}
inet_listener imaps {
address = *
port = 993
ssl = yes
}
}
service lmtp {
inet_listener lmtp {
address = ::1, 127.0.0.1
port = 24
}
}
service pop3-login {
inet_listener pop3 {
address = *
port = 110
}
inet_listener pop3s {
address = *
port = 995
ssl = yes
}
}
service quota-warning {
executable = script /usr/local/bin/quota-warning.sh
unix_listener quota-warning {
user = mail
}
user = dovecot
}
ssl = required
ssl_ca = 
My dovecot config
Thanks and regards,

Pb with Dovecot and visble folders

Stephane Magnier