uux:		from,received,max_addrs=5,max_chars=200,
		driver=pipe;
		pipe_as_sender,
		cmd="/usr/local/bin/uux - -r -g$grade $host!rmail $((${strip:user})$)"

ifmail:		from,received,max_addrs=5,max_chars=200,
		driver=pipe;
		pipe_as_sender,
		cmd="/usr/local/lib/fnet/ifmail -r$host $((${strip:user})$)"
