Did you mean (for dovecot): index_mail_cache_dates   index_mail_cache_reason   index_cache_dir   index_cache_field   index_mail_cache_add  

Your search defs:index_msgcache_iface did not match any files.
Suggestions:

• Make sure all terms are spelled correctly.
• Try different keywords.
• Try more general keywords.
• Use 'wil*' cards if you are looking for partial match.