To              brians@cs       pipe ? /usr/local/lib/mh/rcvstore +inbox
Cc              brians@cs       pipe ? /usr/local/lib/mh/rcvstore +inbox
To              brians+@cs      pipe ? /usr/local/lib/mh/rcvstore +inbox
Cc              brians+@cs      pipe ? /usr/local/lib/mh/rcvstore +inbox
default         *               pipe A /usr/local/lib/mh/rcvstore +inbox2