On 2018-05-16 21:53, forums@mehl-family.fr wrote:

# DOVECOT -N

==> see attachment

This looks overly complicated for a doveconf-n output but it seems to work...

# GREP -B2 -A1 'MAIL_PLUGINS =' /ETC/DOVECOT/CONF.D/*

/etc/dovecot/conf.d/10-mail.conf-#auth_socket_path =
/var/run/dovecot/auth-userdb
/etc/dovecot/conf.d/10-mail.conf-#mail_plugin_dir =
/usr/lib/dovecot/modules
/etc/dovecot/conf.d/10-mail.conf:#mail_plugins =

^^ uncomment this line and add quota to the end. This is the global mail_plugins setting that's included as mail_plugins = $mail_plugins in all protocol sections

/etc/dovecot/conf.d/10-mail.conf-#mailbox_list_index = no
--

rename the file back to 90-quota.conf and comment or remove the lines marked below

/etc/dovecot/conf.d/13-quota.conf-}
/etc/dovecot/conf.d/13-quota.conf-
/etc/dovecot/conf.d/13-quota.conf:mail_plugins = $mail_plugins quota

^^ comment / remove thie above line

/etc/dovecot/conf.d/13-quota.conf-
/etc/dovecot/conf.d/13-quota.conf-protocol imap {
/etc/dovecot/conf.d/13-quota.conf: mail_plugins = $mail_plugins
imap_quota
/etc/dovecot/conf.d/13-quota.conf-}

^^ comment / remove the above 3 lines (the whole protocol imap block), the protocol imap block is defined in 20-imap.conf

--
/etc/dovecot/conf.d/15-lda.conf-#lda_mailbox_autosubscribe = no
/etc/dovecot/conf.d/15-lda.conf-protocol lda {
/etc/dovecot/conf.d/15-lda.conf: mail_plugins = $mail_plugins sieve
/etc/dovecot/conf.d/15-lda.conf-}
--
/etc/dovecot/conf.d/20-imap.conf-#imap_urlauth_host =
/etc/dovecot/conf.d/20-imap.conf-protocol imap {
/etc/dovecot/conf.d/20-imap.conf: #mail_plugins = $mail_plugins quota

^^ uncomment the above line

/etc/dovecot/conf.d/20-imap.conf-  #mail_max_userip_connections = 10
--
/etc/dovecot/conf.d/20-managesieve.conf-  #managesieve_max_line_length
= 65536
/etc/dovecot/conf.d/20-managesieve.conf-  #mail_max_userip_connections
= 10
/etc/dovecot/conf.d/20-managesieve.conf:  #mail_plugins =
/etc/dovecot/conf.d/20-managesieve.conf-  #managesieve_logout_format =
bytes=%i/%o
--
/etc/dovecot/conf.d/20-pop3.conf-protocol pop3 {
/etc/dovecot/conf.d/20-pop3.conf-  # Space separated list of plugins
to load (default is global mail_plugins).
/etc/dovecot/conf.d/20-pop3.conf:  #mail_plugins = $mail_plugins
/etc/dovecot/conf.d/20-pop3.conf-

With those four changes your warning should be gone.