Select the primary sort key and the sort order to apply to the report.
| Option | Description |
|---|---|
| Correspondents' domain or AG | Select this radio button to sort SMTP domain or administrative group names in alphabetical order (A to Z if Ascending, Z to A if Descending). |
| Message count | Select this radio button to sort SMTP domain or administrative groups by message count (smallest to largest if Ascending, largest to smallest if Descending). |
| Message size | Select this radio button to sort SMTP domain or administrative groups by message size (smallest to biggest if Ascending, biggest to smallest if Descending). |