mcom: fix $draftmime for when not using outbox

mcom

@@ -93,7 +93,7 @@ if [ -z "$outbox" ]; then
 	elif [ -z "$draft" ]; then
 		draft=$(ls -1t ./snd.*[0-9] | sed 1q)
 	fi
-	draftmime="./snd.$i.mime"
+	draftmime="$draft.mime"
 else
 	if [ -z "$resume" ]; then
 		draft="$(true | mdeliver -v -c -XD "$outbox")"