No.

At 09:23 5/15/98 -0400, Michael Smith said:
|     With ListServ 1.8c is it possible to trap message that contain
|     keywords in the subject (such as "UNSUBSCRIBE" or "DIGEST") and
|     forward them to the Owner?

BTW, you probably should be posting to LSTOWN-L instead of LSTSRV-L since
these (this and the other) are OWNER-type questions, not MAINTAINER-type.

/Pete