The following is an example of a local KILL file for newsgroup `control'. This is currently being used by the author.
;; Apply to the newsgroup `control' if the NNTP server is flab. (if (string-equal gnus-nntp-server "flab") (progn (gnus-kill "Subject" "ihave flab\\|sendme") (gnus-kill "Subject" "cancel\\|newgroup\\|rmgroup" "d") (gnus-expunge "X")))