[ $# = 1 ] || fail "usage: $0 GROUP"
group=$1
-entry=`cdbget "g:$group" <groups.cdb` || bad "unknown group $group"
+entry=`cdb -q groups.cdb "g:$group"` || bad "unknown group $group"
set -- $entry
[ $3 = none ] && bad "posting to mail.$2 forbidden"
{ echo "To: $3";