Did you mean (for dovecot): highest_append_uid   first_recent_uid   min_append_uid   last_appended_uid   first_map_uid  

Your search defs:first_append_uid 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.