Did you mean (for dovecot): passdbs_seen_user_unknown   fail_on_unknown   passdb_shadow   passdb_sql_deinit  

Your search defs:passdb_user_unknown 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.