capabilities: SORT messages: all ok sort (from) us-ascii all * sort 3 2 1 ok sort (to) us-ascii all * sort 3 2 1 ok sort (cc) us-ascii all * sort 2 1 3 ok sort (reverse from) us-ascii all * sort 1 2 3 ok sort (reverse to) us-ascii all * sort 1 2 3 ok sort (reverse cc) us-ascii all * sort 3 1 2 ok sort (from reverse arrival) us-ascii all * sort 3 2 1 ok sort (to reverse arrival) us-ascii all * sort 3 2 1 ok sort (cc reverse arrival) us-ascii all * sort 2 1 3