The cause was in lack of character "}" in file
/etc/dovecot/conf.d/15-mailboxes.conf.
Thanks to all.
16.05.2016 11:28, Graf ?????:> Hello!
>
> At the start dovecot complains all occurrences |mail_plugins settings
> |in all configs.
> For example 20-lmtp.conf contents:
>
> |protocol lmtp {
> mail_plugins = $mail_plugins quota
> }
>
>
> # doveconf | grep '\(mail_plugin_dir\|mail_plugins\)'
> doveconf: Fatal: Error in configuration file
> /etc/dovecot/conf.d/20-lmtp.conf line 2: Unknown setting: mail_plugins
> ||
> |||
> If I insert directly those strings in dovecot.conf and comment the
> !include conf.d/*.conf , I have no errors:
>
> # doveconf | grep '\(mail_plugin_dir\|mail_plugins\)'
> mail_plugin_dir = /usr/lib64/dovecot
> mail_plugins > mail_plugins = " quota"
>
> My settings:
>
> |# dovecot --version
> 2.2.24 (a82c823)
>
> # dovecot --build-options
> Build options: ioloop=epoll notify=inotify ipv6 openssl
> io_block_size=8192
> Mail storages: shared mdbox sdbox maildir mbox cydir imapc pop3c raw fail
> SQL drivers: mysql sqlite
> Passdb: checkpassword ldap passwd passwd-file shadow sql
> Userdb: checkpassword ldap nss passwd prefetch passwd-file sql|
>
> |# ls -l /usr/lib64/dovecot/ | grep quota
> -rwxr-xr-x 1 root root 990 may 12 18:52 lib10_quota_plugin.la
> -rwxr-xr-x 1 root root 78696 may 12 18:52 lib10_quota_plugin.so
> -rwxr-xr-x 1 root root 1061 may 12 18:52 lib11_imap_quota_plugin.la
> -rwxr-xr-x 1 root root 11584 may 12 18:52 lib11_imap_quota_plugin.so
> -rwxr-xr-x 1 root root 1026 may 12 18:52 lib20_quota_clone_plugin.la
> -rwxr-xr-x 1 root root 8992 may 12 18:52 lib20_quota_clone_plugin.so|
>
> Thank you in advance.