mailcow-dockerized/data/conf/dovecot/config_templates/mail_plugins.j2

{%- if SKIP_FTS|lower in ["y", "yes"] -%}
quota acl zlib mail_crypt mail_crypt_acl mail_log notify listescape replication lazy_expunge
{%- else -%}
quota acl zlib mail_crypt mail_crypt_acl mail_log notify fts fts_flatcurve listescape replication lazy_expunge
{%- endif -%}