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 = </etc/mail/ssl/ssl1/STAR_xxxxp_net.ca-bundle
ssl_cert = </etc/mail/ssl/ssl1/STAR_xxxp_net.crt
ssl_key = # hidden, use -P to show it
userdb {
  driver = passwd
}
verbose_proctitle = yes
protocol lmtp {
  mail_plugins = autocreate quota acl fts fts_solr zlib mail_log notify sieve
}
protocol lda {
  mail_plugins = " quota sieve quota"
}
protocol imap {
  mail_max_userip_connections = 80
  mail_plugins = " quota quota imap_quota"
  ssl_cert = </etc/mail/ssl/ssl1/STAR_xxxp_net.crt
  ssl_key = # hidden, use -P to show it
}
protocol pop3 {
  mail_max_userip_connections = 10
  mail_plugins = " quota"
}
protocol submission {
  mail_max_userip_connections = 10
  mail_plugins = " quota"
}

My dovecot config

Thanks and regards,