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

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